{
  "generatedAt": "2026-07-20T14:15:53.044286+00:00",
  "source": "users.ams current state",
  "countingUnit": "Distinct stable BOL identity (bol_key)",
  "bolCount": 3585,
  "positiveValueBolCount": 2613,
  "positiveValueCoveragePct": 72.89,
  "dedupDeclaredValueUsd": 261251840.0,
  "rawDeclaredValueUsd": 278968657.0,
  "medianPositiveBolValueUsd": 27180.0,
  "firstArrival": "2013-01-04",
  "latestArrival": "2026-07-17",
  "scope": [
    "Heading 9706: antiques over 100 years",
    "9705.10: archaeological, ethnographic, or historical collections",
    "9703.10: original sculpture over 100 years"
  ],
  "valueMethod": "Identical code, value, and weight declarations within one cargo line are collapsed; replayCount preserves multiplicity.",
  "statementIds": {
    "bills": "01f18444-ab09-1b90-8a0f-09abbfd9e841",
    "parties": "01f18444-f549-14f3-8033-8dff86fdc3a0",
    "cargo": "01f18444-f6c3-1b40-843c-383d6406579b",
    "tariffs": "01f18445-55e6-1a86-959e-76bceee9047f",
    "containers": "01f18445-66ef-1cd0-8a53-8dccfcc43463"
  },
  "notes": [
    "AMS is a carrier manifest, not a customs entry or audited invoice.",
    "Origin is a derived proxy and not legal country of origin.",
    "Parties are raw strings and are not entity-resolved.",
    "A tariff classification is a filed claim and can be incorrect.",
    "Zero value is treated as no positive declared value."
  ]
}