{
  "slug": "tt008.gateway.containerisation-export",
  "name": "Containerisation rate, exports, by gateway",
  "unit": "share",
  "horizon": "long",
  "grade": "reported",
  "grade_means": "Counted and published by a named body — for this ledger, the US Census Bureau. We mirror it and keep every revision.",
  "description": "The same for outbound cargo. UNDERSTATED: Census states the containerised flag is optional for exporters and \"some filers may omit this information\", so the export numerator is incomplete by an unmeasured amount. Treat export rates as a LOWER BOUND and never compare them directly against import rates without saying so.",
  "instrument": {
    "id": "TT-008",
    "name": "Port ledger",
    "clock": "medium",
    "role": "witness",
    "source": "US Census Bureau, intltrade/imports/porths",
    "source_url": "https://api.census.gov/data/timeseries/intltrade/imports/porths"
  },
  "coverage": {
    "from": "2010-01",
    "to": null
  },
  "publishable_ranges": [],
  "status": "suspended",
  "withdrawn": {
    "since": "1970-01-01",
    "until": null,
    "reason": "COVERAGE INCOMPLETE. The 2010-2023 backfill is still loading, so the archive holds twelve months for 2024 and 2025 but only a partial 2010. Any comparison across years today weighs one loaded month against twelve — an apparent rise from 38% to 63% on import containerisation is currently indistinguishable from that loading artifact. Lift when every month from 2010-01 to the last complete month is present, verified by a per-year month count, not by row totals.",
    "finding": null
  },
  "citation": "Trimtabist TT-008 Port ledger, from US Census Bureau porths (containerised vessel weight / all vessel weight). Method: portledger/METHOD.md. Grade: reported.",
  "citationShort": "Trimtab TT-008 Port ledger, \"Containerisation rate, exports, by gateway\" (retrieved 2026-08-06).",
  "licence": "CC BY 4.0",
  "retrieved_at": "2026-08-06T13:43:31.600Z",
  "urls": {
    "page": "https://trimtabist.com/series/tt008.gateway.containerisation-export",
    "csv": "https://trimtabist.com/series/tt008.gateway.containerisation-export.csv",
    "metadata": "https://trimtabist.com/series/tt008.gateway.containerisation-export.metadata.json"
  }
}