{
  "name": "U.S. Manufacturing Observed Rate-Step & Import-Value Change",
  "version": "2.1.0",
  "description": "For every tracked U.S. manufacturing family whose trailing-12-month effective calculated-duty rate showed an observed increase by at least 5 points, the associated import customs-value change: the year of imports before the observed step versus a full 12-month window after, with a customs-value fell/held/rose label. Observational co-movement, not a causal estimate; metric is declared customs value, not volume. USITC public-domain.",
  "url": "https://www.mfgcalcs.com/signals/tariff-effect",
  "window": 12,
  "stepMinPp": 5,
  "unit": "percent change in 12-month import customs value; rate in percent",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "MFG Calcs (mfgcalcs.com), compiled from USITC DataWeb open data",
  "count": 12,
  "families": [
    {
      "family": "stainless-steel",
      "label": "Stainless steel mill products",
      "stepMonth": "2019-05",
      "legalActionMatched": false,
      "rateBeforePct": 0.54,
      "rateAfterPct": 20.04,
      "rateStepPp": 19.5,
      "importBeforeUsd": 2295163344,
      "importAfterUsd": 1474047930,
      "importChangePct": -35.8,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2018-05",
          0.54
        ],
        [
          "2018-06",
          2.08
        ],
        [
          "2018-07",
          3.81
        ],
        [
          "2018-08",
          5.51
        ],
        [
          "2018-09",
          7
        ],
        [
          "2018-10",
          8.7
        ],
        [
          "2018-11",
          10.23
        ],
        [
          "2018-12",
          11.86
        ],
        [
          "2019-01",
          13.33
        ],
        [
          "2019-02",
          14.89
        ],
        [
          "2019-03",
          16.78
        ],
        [
          "2019-04",
          18.59
        ],
        [
          "2019-05",
          20.04
        ],
        [
          "2019-06",
          19.77
        ],
        [
          "2019-07",
          19.28
        ],
        [
          "2019-08",
          18.81
        ],
        [
          "2019-09",
          18.39
        ],
        [
          "2019-10",
          17.97
        ],
        [
          "2019-11",
          17.67
        ],
        [
          "2019-12",
          17.31
        ],
        [
          "2020-01",
          17.01
        ],
        [
          "2020-02",
          16.66
        ],
        [
          "2020-03",
          16.3
        ],
        [
          "2020-04",
          15.94
        ],
        [
          "2020-05",
          15.66
        ]
      ],
      "importSpark": [
        [
          "2018-05",
          2295163344
        ],
        [
          "2018-06",
          2256932804
        ],
        [
          "2018-07",
          2235822328
        ],
        [
          "2018-08",
          2219803249
        ],
        [
          "2018-09",
          2199401277
        ],
        [
          "2018-10",
          2172166036
        ],
        [
          "2018-11",
          2124410444
        ],
        [
          "2018-12",
          2078304852
        ],
        [
          "2019-01",
          2059296563
        ],
        [
          "2019-02",
          2016120126
        ],
        [
          "2019-03",
          1951595465
        ],
        [
          "2019-04",
          1909317029
        ],
        [
          "2019-05",
          1852854742
        ],
        [
          "2019-06",
          1818141832
        ],
        [
          "2019-07",
          1803071178
        ],
        [
          "2019-08",
          1759475054
        ],
        [
          "2019-09",
          1716225054
        ],
        [
          "2019-10",
          1678925808
        ],
        [
          "2019-11",
          1654648073
        ],
        [
          "2019-12",
          1640481873
        ],
        [
          "2020-01",
          1614054381
        ],
        [
          "2020-02",
          1587349009
        ],
        [
          "2020-03",
          1573053831
        ],
        [
          "2020-04",
          1530676112
        ],
        [
          "2020-05",
          1474047930
        ]
      ]
    },
    {
      "family": "steel-flat-rolled",
      "label": "Steel flat-rolled products",
      "stepMonth": "2019-05",
      "legalActionMatched": false,
      "rateBeforePct": 0.62,
      "rateAfterPct": 18.16,
      "rateStepPp": 17.5,
      "importBeforeUsd": 8379802920,
      "importAfterUsd": 5475914194,
      "importChangePct": -34.7,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2018-05",
          0.62
        ],
        [
          "2018-06",
          2.23
        ],
        [
          "2018-07",
          4.04
        ],
        [
          "2018-08",
          5.68
        ],
        [
          "2018-09",
          7.32
        ],
        [
          "2018-10",
          8.99
        ],
        [
          "2018-11",
          10.31
        ],
        [
          "2018-12",
          11.54
        ],
        [
          "2019-01",
          12.85
        ],
        [
          "2019-02",
          14.06
        ],
        [
          "2019-03",
          15.57
        ],
        [
          "2019-04",
          17.17
        ],
        [
          "2019-05",
          18.16
        ],
        [
          "2019-06",
          17.11
        ],
        [
          "2019-07",
          16.06
        ],
        [
          "2019-08",
          14.92
        ],
        [
          "2019-09",
          13.7
        ],
        [
          "2019-10",
          12.47
        ],
        [
          "2019-11",
          11.51
        ],
        [
          "2019-12",
          10.4
        ],
        [
          "2020-01",
          9.15
        ],
        [
          "2020-02",
          8.05
        ],
        [
          "2020-03",
          6.92
        ],
        [
          "2020-04",
          5.9
        ],
        [
          "2020-05",
          5.34
        ]
      ],
      "importSpark": [
        [
          "2018-05",
          8379802920
        ],
        [
          "2018-06",
          8151785753
        ],
        [
          "2018-07",
          8070672548
        ],
        [
          "2018-08",
          7959852757
        ],
        [
          "2018-09",
          7962398053
        ],
        [
          "2018-10",
          7969565151
        ],
        [
          "2018-11",
          8028422517
        ],
        [
          "2018-12",
          7990745845
        ],
        [
          "2019-01",
          8026429367
        ],
        [
          "2019-02",
          7945416164
        ],
        [
          "2019-03",
          7744530500
        ],
        [
          "2019-04",
          7454178836
        ],
        [
          "2019-05",
          7240985717
        ],
        [
          "2019-06",
          7154087648
        ],
        [
          "2019-07",
          6969187756
        ],
        [
          "2019-08",
          6846294329
        ],
        [
          "2019-09",
          6670069541
        ],
        [
          "2019-10",
          6428590062
        ],
        [
          "2019-11",
          6168401276
        ],
        [
          "2019-12",
          6085509688
        ],
        [
          "2020-01",
          5909112362
        ],
        [
          "2020-02",
          5846571777
        ],
        [
          "2020-03",
          5740797479
        ],
        [
          "2020-04",
          5579596474
        ],
        [
          "2020-05",
          5475914194
        ]
      ]
    },
    {
      "family": "steel-pipe-tube",
      "label": "Steel pipe and tube",
      "stepMonth": "2019-05",
      "legalActionMatched": false,
      "rateBeforePct": 0.57,
      "rateAfterPct": 17.86,
      "rateStepPp": 17.3,
      "importBeforeUsd": 9373995407,
      "importAfterUsd": 5475743209,
      "importChangePct": -41.6,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2018-05",
          0.57
        ],
        [
          "2018-06",
          1.66
        ],
        [
          "2018-07",
          3.07
        ],
        [
          "2018-08",
          4.54
        ],
        [
          "2018-09",
          5.9
        ],
        [
          "2018-10",
          7.57
        ],
        [
          "2018-11",
          9.13
        ],
        [
          "2018-12",
          10.55
        ],
        [
          "2019-01",
          12.21
        ],
        [
          "2019-02",
          13.53
        ],
        [
          "2019-03",
          15.21
        ],
        [
          "2019-04",
          16.83
        ],
        [
          "2019-05",
          17.86
        ],
        [
          "2019-06",
          17.57
        ],
        [
          "2019-07",
          16.89
        ],
        [
          "2019-08",
          16.12
        ],
        [
          "2019-09",
          15.39
        ],
        [
          "2019-10",
          14.54
        ],
        [
          "2019-11",
          13.66
        ],
        [
          "2019-12",
          12.83
        ],
        [
          "2020-01",
          12.05
        ],
        [
          "2020-02",
          11.34
        ],
        [
          "2020-03",
          10.3
        ],
        [
          "2020-04",
          9.56
        ],
        [
          "2020-05",
          8.95
        ]
      ],
      "importSpark": [
        [
          "2018-05",
          9373995407
        ],
        [
          "2018-06",
          9229448861
        ],
        [
          "2018-07",
          9106407454
        ],
        [
          "2018-08",
          9042271086
        ],
        [
          "2018-09",
          8730456534
        ],
        [
          "2018-10",
          8485559808
        ],
        [
          "2018-11",
          8363486671
        ],
        [
          "2018-12",
          8320528109
        ],
        [
          "2019-01",
          8422752560
        ],
        [
          "2019-02",
          8359334310
        ],
        [
          "2019-03",
          8227913167
        ],
        [
          "2019-04",
          7979597919
        ],
        [
          "2019-05",
          7789220296
        ],
        [
          "2019-06",
          7739356731
        ],
        [
          "2019-07",
          7659695555
        ],
        [
          "2019-08",
          7547616904
        ],
        [
          "2019-09",
          7513983953
        ],
        [
          "2019-10",
          7319848159
        ],
        [
          "2019-11",
          7174472168
        ],
        [
          "2019-12",
          6991902118
        ],
        [
          "2020-01",
          6482268789
        ],
        [
          "2020-02",
          6213044798
        ],
        [
          "2020-03",
          6008214111
        ],
        [
          "2020-04",
          5671917202
        ],
        [
          "2020-05",
          5475743209
        ]
      ]
    },
    {
      "family": "steel-long-products",
      "label": "Steel bar, rod, and wire",
      "stepMonth": "2019-05",
      "legalActionMatched": false,
      "rateBeforePct": 0.93,
      "rateAfterPct": 18.13,
      "rateStepPp": 17.2,
      "importBeforeUsd": 3213892842,
      "importAfterUsd": 2121062620,
      "importChangePct": -34,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2018-05",
          0.93
        ],
        [
          "2018-06",
          2.17
        ],
        [
          "2018-07",
          3.79
        ],
        [
          "2018-08",
          5.63
        ],
        [
          "2018-09",
          7.2
        ],
        [
          "2018-10",
          8.63
        ],
        [
          "2018-11",
          10.01
        ],
        [
          "2018-12",
          11.21
        ],
        [
          "2019-01",
          12.51
        ],
        [
          "2019-02",
          13.79
        ],
        [
          "2019-03",
          15.36
        ],
        [
          "2019-04",
          16.79
        ],
        [
          "2019-05",
          18.13
        ],
        [
          "2019-06",
          17.59
        ],
        [
          "2019-07",
          16.63
        ],
        [
          "2019-08",
          15.56
        ],
        [
          "2019-09",
          14.49
        ],
        [
          "2019-10",
          13.54
        ],
        [
          "2019-11",
          12.67
        ],
        [
          "2019-12",
          11.96
        ],
        [
          "2020-01",
          11.04
        ],
        [
          "2020-02",
          10.28
        ],
        [
          "2020-03",
          9.28
        ],
        [
          "2020-04",
          8.39
        ],
        [
          "2020-05",
          7.76
        ]
      ],
      "importSpark": [
        [
          "2018-05",
          3213892842
        ],
        [
          "2018-06",
          3053534797
        ],
        [
          "2018-07",
          2996546316
        ],
        [
          "2018-08",
          3025727246
        ],
        [
          "2018-09",
          2969290617
        ],
        [
          "2018-10",
          2905050897
        ],
        [
          "2018-11",
          2906065758
        ],
        [
          "2018-12",
          2880253875
        ],
        [
          "2019-01",
          2924540079
        ],
        [
          "2019-02",
          2884415941
        ],
        [
          "2019-03",
          2816738716
        ],
        [
          "2019-04",
          2714677844
        ],
        [
          "2019-05",
          2624465288
        ],
        [
          "2019-06",
          2633877337
        ],
        [
          "2019-07",
          2601239808
        ],
        [
          "2019-08",
          2522535874
        ],
        [
          "2019-09",
          2492178667
        ],
        [
          "2019-10",
          2487519710
        ],
        [
          "2019-11",
          2414565152
        ],
        [
          "2019-12",
          2370134109
        ],
        [
          "2020-01",
          2286430055
        ],
        [
          "2020-02",
          2274511226
        ],
        [
          "2020-03",
          2235522943
        ],
        [
          "2020-04",
          2180592894
        ],
        [
          "2020-05",
          2121062620
        ]
      ]
    },
    {
      "family": "steel-fasteners",
      "label": "Steel fasteners",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 6.45,
      "rateAfterPct": 15,
      "rateStepPp": 8.6,
      "importBeforeUsd": 6287971265,
      "importAfterUsd": 5614566721,
      "importChangePct": -10.7,
      "customsValueVerdict": "customs value fell",
      "verdict": "imports fell",
      "rateSpark": [
        [
          "2024-06",
          6.45
        ],
        [
          "2024-07",
          6.49
        ],
        [
          "2024-08",
          6.51
        ],
        [
          "2024-09",
          6.51
        ],
        [
          "2024-10",
          6.49
        ],
        [
          "2024-11",
          6.5
        ],
        [
          "2024-12",
          6.49
        ],
        [
          "2025-01",
          6.52
        ],
        [
          "2025-02",
          6.55
        ],
        [
          "2025-03",
          7.6
        ],
        [
          "2025-04",
          9.74
        ],
        [
          "2025-05",
          11.92
        ],
        [
          "2025-06",
          15
        ],
        [
          "2025-07",
          18.64
        ],
        [
          "2025-08",
          22.09
        ],
        [
          "2025-09",
          25.64
        ],
        [
          "2025-10",
          29.15
        ],
        [
          "2025-11",
          32.31
        ],
        [
          "2025-12",
          35.91
        ],
        [
          "2026-01",
          39.77
        ],
        [
          "2026-02",
          43.36
        ],
        [
          "2026-03",
          45.92
        ],
        [
          "2026-04",
          47.48
        ],
        [
          "2026-05",
          49.1
        ],
        [
          "2026-06",
          49.51
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          6287971265
        ],
        [
          "2024-07",
          6340658140
        ],
        [
          "2024-08",
          6364870515
        ],
        [
          "2024-09",
          6405675874
        ],
        [
          "2024-10",
          6406928486
        ],
        [
          "2024-11",
          6418525215
        ],
        [
          "2024-12",
          6485622833
        ],
        [
          "2025-01",
          6505713313
        ],
        [
          "2025-02",
          6516789326
        ],
        [
          "2025-03",
          6559328925
        ],
        [
          "2025-04",
          6518758278
        ],
        [
          "2025-05",
          6493428723
        ],
        [
          "2025-06",
          6429636644
        ],
        [
          "2025-07",
          6366435797
        ],
        [
          "2025-08",
          6302999430
        ],
        [
          "2025-09",
          6241445637
        ],
        [
          "2025-10",
          6165962630
        ],
        [
          "2025-11",
          6078214249
        ],
        [
          "2025-12",
          5988043518
        ],
        [
          "2026-01",
          5906038168
        ],
        [
          "2026-02",
          5788133306
        ],
        [
          "2026-03",
          5714190806
        ],
        [
          "2026-04",
          5668934971
        ],
        [
          "2026-05",
          5622758757
        ],
        [
          "2026-06",
          5614566721
        ]
      ]
    },
    {
      "family": "aluminum-semis",
      "label": "Aluminum semi-finished products",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 5.12,
      "rateAfterPct": 13.45,
      "rateStepPp": 8.3,
      "importBeforeUsd": 6783455487,
      "importAfterUsd": 9222650965,
      "importChangePct": 36,
      "customsValueVerdict": "customs value rose",
      "verdict": "imports rose",
      "rateSpark": [
        [
          "2024-06",
          5.12
        ],
        [
          "2024-07",
          5.22
        ],
        [
          "2024-08",
          5.32
        ],
        [
          "2024-09",
          5.48
        ],
        [
          "2024-10",
          5.69
        ],
        [
          "2024-11",
          5.98
        ],
        [
          "2024-12",
          6.15
        ],
        [
          "2025-01",
          6.39
        ],
        [
          "2025-02",
          6.52
        ],
        [
          "2025-03",
          7.51
        ],
        [
          "2025-04",
          9.12
        ],
        [
          "2025-05",
          10.73
        ],
        [
          "2025-06",
          13.45
        ],
        [
          "2025-07",
          16.45
        ],
        [
          "2025-08",
          19.3
        ],
        [
          "2025-09",
          22.22
        ],
        [
          "2025-10",
          25.61
        ],
        [
          "2025-11",
          29.32
        ],
        [
          "2025-12",
          32.81
        ],
        [
          "2026-01",
          36.96
        ],
        [
          "2026-02",
          41.03
        ],
        [
          "2026-03",
          44.51
        ],
        [
          "2026-04",
          46.94
        ],
        [
          "2026-05",
          49.21
        ],
        [
          "2026-06",
          50.29
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          6783455487
        ],
        [
          "2024-07",
          6904346914
        ],
        [
          "2024-08",
          6920940793
        ],
        [
          "2024-09",
          7008411379
        ],
        [
          "2024-10",
          7079515448
        ],
        [
          "2024-11",
          7244294422
        ],
        [
          "2024-12",
          7320578563
        ],
        [
          "2025-01",
          7454621999
        ],
        [
          "2025-02",
          7525550282
        ],
        [
          "2025-03",
          7640494045
        ],
        [
          "2025-04",
          7648084406
        ],
        [
          "2025-05",
          7569250390
        ],
        [
          "2025-06",
          7568872932
        ],
        [
          "2025-07",
          7473592036
        ],
        [
          "2025-08",
          7475304678
        ],
        [
          "2025-09",
          7443386614
        ],
        [
          "2025-10",
          7482901299
        ],
        [
          "2025-11",
          7497518325
        ],
        [
          "2025-12",
          7584498609
        ],
        [
          "2026-01",
          7606675098
        ],
        [
          "2026-02",
          7750668752
        ],
        [
          "2026-03",
          8036408429
        ],
        [
          "2026-04",
          8333424735
        ],
        [
          "2026-05",
          8809982850
        ],
        [
          "2026-06",
          9222650965
        ]
      ]
    },
    {
      "family": "steel-springs-chain",
      "label": "Springs, chain, and wire mesh",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 4.91,
      "rateAfterPct": 13.21,
      "rateStepPp": 8.3,
      "importBeforeUsd": 2607963750,
      "importAfterUsd": 2127749943,
      "importChangePct": -18.4,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2024-06",
          4.91
        ],
        [
          "2024-07",
          4.92
        ],
        [
          "2024-08",
          4.92
        ],
        [
          "2024-09",
          4.89
        ],
        [
          "2024-10",
          4.82
        ],
        [
          "2024-11",
          4.81
        ],
        [
          "2024-12",
          4.82
        ],
        [
          "2025-01",
          4.9
        ],
        [
          "2025-02",
          4.97
        ],
        [
          "2025-03",
          6.15
        ],
        [
          "2025-04",
          8.3
        ],
        [
          "2025-05",
          10.4
        ],
        [
          "2025-06",
          13.21
        ],
        [
          "2025-07",
          16.44
        ],
        [
          "2025-08",
          19.63
        ],
        [
          "2025-09",
          22.67
        ],
        [
          "2025-10",
          25.68
        ],
        [
          "2025-11",
          28.31
        ],
        [
          "2025-12",
          30.76
        ],
        [
          "2026-01",
          33.63
        ],
        [
          "2026-02",
          36.04
        ],
        [
          "2026-03",
          37.27
        ],
        [
          "2026-04",
          37.55
        ],
        [
          "2026-05",
          38.03
        ],
        [
          "2026-06",
          37.28
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          2607963750
        ],
        [
          "2024-07",
          2614734375
        ],
        [
          "2024-08",
          2627771427
        ],
        [
          "2024-09",
          2631785618
        ],
        [
          "2024-10",
          2627481016
        ],
        [
          "2024-11",
          2636515545
        ],
        [
          "2024-12",
          2632646751
        ],
        [
          "2025-01",
          2636793482
        ],
        [
          "2025-02",
          2620183395
        ],
        [
          "2025-03",
          2607335568
        ],
        [
          "2025-04",
          2562305391
        ],
        [
          "2025-05",
          2533361411
        ],
        [
          "2025-06",
          2497303568
        ],
        [
          "2025-07",
          2465663110
        ],
        [
          "2025-08",
          2419365116
        ],
        [
          "2025-09",
          2392318452
        ],
        [
          "2025-10",
          2344470530
        ],
        [
          "2025-11",
          2300322134
        ],
        [
          "2025-12",
          2271316191
        ],
        [
          "2026-01",
          2222305413
        ],
        [
          "2026-02",
          2189232246
        ],
        [
          "2026-03",
          2165945699
        ],
        [
          "2026-04",
          2139855222
        ],
        [
          "2026-05",
          2122083523
        ],
        [
          "2026-06",
          2127749943
        ]
      ]
    },
    {
      "family": "iron-steel-articles",
      "label": "Iron and steel castings and articles",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 7.78,
      "rateAfterPct": 15.83,
      "rateStepPp": 8.1,
      "importBeforeUsd": 7533884350,
      "importAfterUsd": 5352183269,
      "importChangePct": -29,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2024-06",
          7.78
        ],
        [
          "2024-07",
          7.83
        ],
        [
          "2024-08",
          7.94
        ],
        [
          "2024-09",
          8.04
        ],
        [
          "2024-10",
          8.09
        ],
        [
          "2024-11",
          8.17
        ],
        [
          "2024-12",
          8.21
        ],
        [
          "2025-01",
          8.25
        ],
        [
          "2025-02",
          8.31
        ],
        [
          "2025-03",
          9.43
        ],
        [
          "2025-04",
          11.38
        ],
        [
          "2025-05",
          13.43
        ],
        [
          "2025-06",
          15.83
        ],
        [
          "2025-07",
          19.03
        ],
        [
          "2025-08",
          22.07
        ],
        [
          "2025-09",
          25.11
        ],
        [
          "2025-10",
          28.26
        ],
        [
          "2025-11",
          31.33
        ],
        [
          "2025-12",
          34.54
        ],
        [
          "2026-01",
          38.23
        ],
        [
          "2026-02",
          41.6
        ],
        [
          "2026-03",
          43.18
        ],
        [
          "2026-04",
          44.14
        ],
        [
          "2026-05",
          45.24
        ],
        [
          "2026-06",
          45.41
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          7533884350
        ],
        [
          "2024-07",
          7590290410
        ],
        [
          "2024-08",
          7585527513
        ],
        [
          "2024-09",
          7556452958
        ],
        [
          "2024-10",
          7537076652
        ],
        [
          "2024-11",
          7523859483
        ],
        [
          "2024-12",
          7582406814
        ],
        [
          "2025-01",
          7652495765
        ],
        [
          "2025-02",
          7651911729
        ],
        [
          "2025-03",
          7584490522
        ],
        [
          "2025-04",
          7414148579
        ],
        [
          "2025-05",
          7259941161
        ],
        [
          "2025-06",
          7088489348
        ],
        [
          "2025-07",
          6908963540
        ],
        [
          "2025-08",
          6700574632
        ],
        [
          "2025-09",
          6523525425
        ],
        [
          "2025-10",
          6344819882
        ],
        [
          "2025-11",
          6157481092
        ],
        [
          "2025-12",
          5980867847
        ],
        [
          "2026-01",
          5739408103
        ],
        [
          "2026-02",
          5535759154
        ],
        [
          "2026-03",
          5435185174
        ],
        [
          "2026-04",
          5397248556
        ],
        [
          "2026-05",
          5344074740
        ],
        [
          "2026-06",
          5352183269
        ]
      ]
    },
    {
      "family": "hand-tools",
      "label": "Hand tools",
      "stepMonth": "2019-09",
      "legalActionMatched": false,
      "rateBeforePct": 5.33,
      "rateAfterPct": 12.87,
      "rateStepPp": 7.5,
      "importBeforeUsd": 2290778503,
      "importAfterUsd": 2090290746,
      "importChangePct": -8.8,
      "customsValueVerdict": "customs value fell",
      "verdict": "imports fell",
      "rateSpark": [
        [
          "2018-09",
          5.33
        ],
        [
          "2018-10",
          5.9
        ],
        [
          "2018-11",
          6.33
        ],
        [
          "2018-12",
          6.87
        ],
        [
          "2019-01",
          7.37
        ],
        [
          "2019-02",
          7.77
        ],
        [
          "2019-03",
          8.1
        ],
        [
          "2019-04",
          8.45
        ],
        [
          "2019-05",
          8.91
        ],
        [
          "2019-06",
          9.76
        ],
        [
          "2019-07",
          10.79
        ],
        [
          "2019-08",
          11.9
        ],
        [
          "2019-09",
          12.87
        ],
        [
          "2019-10",
          13.35
        ],
        [
          "2019-11",
          13.81
        ],
        [
          "2019-12",
          14.21
        ],
        [
          "2020-01",
          14.75
        ],
        [
          "2020-02",
          15.15
        ],
        [
          "2020-03",
          15.36
        ],
        [
          "2020-04",
          15.84
        ],
        [
          "2020-05",
          16.41
        ],
        [
          "2020-06",
          16.45
        ],
        [
          "2020-07",
          16.44
        ],
        [
          "2020-08",
          16.38
        ],
        [
          "2020-09",
          16.23
        ]
      ],
      "importSpark": [
        [
          "2018-09",
          2290778503
        ],
        [
          "2018-10",
          2332173655
        ],
        [
          "2018-11",
          2346606009
        ],
        [
          "2018-12",
          2394587555
        ],
        [
          "2019-01",
          2419183689
        ],
        [
          "2019-02",
          2411546725
        ],
        [
          "2019-03",
          2417651504
        ],
        [
          "2019-04",
          2436357110
        ],
        [
          "2019-05",
          2445285916
        ],
        [
          "2019-06",
          2433230120
        ],
        [
          "2019-07",
          2437023607
        ],
        [
          "2019-08",
          2429594117
        ],
        [
          "2019-09",
          2428664766
        ],
        [
          "2019-10",
          2370779963
        ],
        [
          "2019-11",
          2340327099
        ],
        [
          "2019-12",
          2289022273
        ],
        [
          "2020-01",
          2248382081
        ],
        [
          "2020-02",
          2218997909
        ],
        [
          "2020-03",
          2172945286
        ],
        [
          "2020-04",
          2135523754
        ],
        [
          "2020-05",
          2101062057
        ],
        [
          "2020-06",
          2081321439
        ],
        [
          "2020-07",
          2068823294
        ],
        [
          "2020-08",
          2067264897
        ],
        [
          "2020-09",
          2090290746
        ]
      ]
    },
    {
      "family": "aluminum-articles",
      "label": "Aluminum articles",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 7.63,
      "rateAfterPct": 14.87,
      "rateStepPp": 7.2,
      "importBeforeUsd": 2317307923,
      "importAfterUsd": 1850833558,
      "importChangePct": -20.1,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2024-06",
          7.63
        ],
        [
          "2024-07",
          7.7
        ],
        [
          "2024-08",
          7.77
        ],
        [
          "2024-09",
          7.84
        ],
        [
          "2024-10",
          7.86
        ],
        [
          "2024-11",
          7.94
        ],
        [
          "2024-12",
          7.93
        ],
        [
          "2025-01",
          7.95
        ],
        [
          "2025-02",
          8.04
        ],
        [
          "2025-03",
          9.06
        ],
        [
          "2025-04",
          10.95
        ],
        [
          "2025-05",
          12.7
        ],
        [
          "2025-06",
          14.87
        ],
        [
          "2025-07",
          17.47
        ],
        [
          "2025-08",
          19.83
        ],
        [
          "2025-09",
          22.59
        ],
        [
          "2025-10",
          25.55
        ],
        [
          "2025-11",
          28.33
        ],
        [
          "2025-12",
          31.11
        ],
        [
          "2026-01",
          34.4
        ],
        [
          "2026-02",
          37.17
        ],
        [
          "2026-03",
          38.42
        ],
        [
          "2026-04",
          39.12
        ],
        [
          "2026-05",
          40.15
        ],
        [
          "2026-06",
          40.44
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          2317307923
        ],
        [
          "2024-07",
          2335020025
        ],
        [
          "2024-08",
          2335516378
        ],
        [
          "2024-09",
          2362786974
        ],
        [
          "2024-10",
          2384406651
        ],
        [
          "2024-11",
          2394356000
        ],
        [
          "2024-12",
          2399762378
        ],
        [
          "2025-01",
          2424855026
        ],
        [
          "2025-02",
          2415637975
        ],
        [
          "2025-03",
          2393565255
        ],
        [
          "2025-04",
          2359687925
        ],
        [
          "2025-05",
          2322678893
        ],
        [
          "2025-06",
          2270615457
        ],
        [
          "2025-07",
          2216048286
        ],
        [
          "2025-08",
          2165853138
        ],
        [
          "2025-09",
          2100272430
        ],
        [
          "2025-10",
          2023471447
        ],
        [
          "2025-11",
          1963974565
        ],
        [
          "2025-12",
          1923525534
        ],
        [
          "2026-01",
          1862671756
        ],
        [
          "2026-02",
          1824134978
        ],
        [
          "2026-03",
          1820654887
        ],
        [
          "2026-04",
          1814865540
        ],
        [
          "2026-05",
          1822396997
        ],
        [
          "2026-06",
          1850833558
        ]
      ]
    },
    {
      "family": "tanks-vessels",
      "label": "Tanks, vessels, and gas cylinders",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 2.62,
      "rateAfterPct": 8.53,
      "rateStepPp": 5.9,
      "importBeforeUsd": 1654259436,
      "importAfterUsd": 1119756229,
      "importChangePct": -32.3,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2024-06",
          2.62
        ],
        [
          "2024-07",
          2.6
        ],
        [
          "2024-08",
          2.71
        ],
        [
          "2024-09",
          2.74
        ],
        [
          "2024-10",
          2.82
        ],
        [
          "2024-11",
          2.84
        ],
        [
          "2024-12",
          2.78
        ],
        [
          "2025-01",
          2.8
        ],
        [
          "2025-02",
          2.81
        ],
        [
          "2025-03",
          3.37
        ],
        [
          "2025-04",
          5.09
        ],
        [
          "2025-05",
          6.58
        ],
        [
          "2025-06",
          8.53
        ],
        [
          "2025-07",
          10.88
        ],
        [
          "2025-08",
          13.11
        ],
        [
          "2025-09",
          15.38
        ],
        [
          "2025-10",
          17.78
        ],
        [
          "2025-11",
          19.89
        ],
        [
          "2025-12",
          22.45
        ],
        [
          "2026-01",
          25.26
        ],
        [
          "2026-02",
          27.62
        ],
        [
          "2026-03",
          29.24
        ],
        [
          "2026-04",
          30.63
        ],
        [
          "2026-05",
          31.88
        ],
        [
          "2026-06",
          32.42
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          1654259436
        ],
        [
          "2024-07",
          1646148803
        ],
        [
          "2024-08",
          1628792047
        ],
        [
          "2024-09",
          1636268700
        ],
        [
          "2024-10",
          1607922131
        ],
        [
          "2024-11",
          1624230353
        ],
        [
          "2024-12",
          1646524212
        ],
        [
          "2025-01",
          1664535244
        ],
        [
          "2025-02",
          1654364039
        ],
        [
          "2025-03",
          1660061169
        ],
        [
          "2025-04",
          1664320139
        ],
        [
          "2025-05",
          1637142055
        ],
        [
          "2025-06",
          1589727656
        ],
        [
          "2025-07",
          1558532262
        ],
        [
          "2025-08",
          1526843640
        ],
        [
          "2025-09",
          1484525281
        ],
        [
          "2025-10",
          1458648473
        ],
        [
          "2025-11",
          1389360963
        ],
        [
          "2025-12",
          1339482090
        ],
        [
          "2026-01",
          1272714175
        ],
        [
          "2026-02",
          1242439115
        ],
        [
          "2026-03",
          1212252574
        ],
        [
          "2026-04",
          1164367580
        ],
        [
          "2026-05",
          1136421650
        ],
        [
          "2026-06",
          1119756229
        ]
      ]
    },
    {
      "family": "steel-structures",
      "label": "Fabricated structural steel",
      "stepMonth": "2025-06",
      "legalActionMatched": false,
      "rateBeforePct": 2.07,
      "rateAfterPct": 7.54,
      "rateStepPp": 5.5,
      "importBeforeUsd": 8357618635,
      "importAfterUsd": 6116021859,
      "importChangePct": -26.8,
      "customsValueVerdict": "customs value fell sharply",
      "verdict": "imports fell sharply",
      "rateSpark": [
        [
          "2024-06",
          2.07
        ],
        [
          "2024-07",
          2.1
        ],
        [
          "2024-08",
          2.11
        ],
        [
          "2024-09",
          2.16
        ],
        [
          "2024-10",
          2.19
        ],
        [
          "2024-11",
          2.22
        ],
        [
          "2024-12",
          2.22
        ],
        [
          "2025-01",
          2.28
        ],
        [
          "2025-02",
          2.31
        ],
        [
          "2025-03",
          2.81
        ],
        [
          "2025-04",
          4.15
        ],
        [
          "2025-05",
          5.48
        ],
        [
          "2025-06",
          7.54
        ],
        [
          "2025-07",
          9.8
        ],
        [
          "2025-08",
          12.01
        ],
        [
          "2025-09",
          14
        ],
        [
          "2025-10",
          16.37
        ],
        [
          "2025-11",
          18.27
        ],
        [
          "2025-12",
          20.77
        ],
        [
          "2026-01",
          23.04
        ],
        [
          "2026-02",
          25.45
        ],
        [
          "2026-03",
          27.16
        ],
        [
          "2026-04",
          28.38
        ],
        [
          "2026-05",
          29.73
        ],
        [
          "2026-06",
          30.61
        ]
      ],
      "importSpark": [
        [
          "2024-06",
          8357618635
        ],
        [
          "2024-07",
          8513677876
        ],
        [
          "2024-08",
          8577424415
        ],
        [
          "2024-09",
          8531979941
        ],
        [
          "2024-10",
          8536235890
        ],
        [
          "2024-11",
          8596666046
        ],
        [
          "2024-12",
          8777542486
        ],
        [
          "2025-01",
          8798149911
        ],
        [
          "2025-02",
          8813560008
        ],
        [
          "2025-03",
          8798200415
        ],
        [
          "2025-04",
          8710347921
        ],
        [
          "2025-05",
          8432418276
        ],
        [
          "2025-06",
          8467985233
        ],
        [
          "2025-07",
          8280479865
        ],
        [
          "2025-08",
          8052783251
        ],
        [
          "2025-09",
          8093653369
        ],
        [
          "2025-10",
          7790628522
        ],
        [
          "2025-11",
          7455999056
        ],
        [
          "2025-12",
          7111241738
        ],
        [
          "2026-01",
          6949182512
        ],
        [
          "2026-02",
          6702401854
        ],
        [
          "2026-03",
          6540370565
        ],
        [
          "2026-04",
          6397365015
        ],
        [
          "2026-05",
          6317292183
        ],
        [
          "2026-06",
          6116021859
        ]
      ]
    }
  ]
}