{
  "datasetId": "yugalinks-gold-batch-1-price-history-exporter-CHN",
  "format": "Parquet",
  "description": "Annual unit values, quantities, and market price comparisons for exports from China across partners and HS6 products.",
  "columns": [
    "year",
    "exporter_iso3",
    "importer_iso3",
    "hs_code",
    "unit_value_usd_per_ton",
    "quantity_metric_tons",
    "trade_value_usd",
    "market_median_price_usd_per_ton",
    "market_min_price_usd_per_ton",
    "market_max_price_usd_per_ton",
    "num_price_competitors",
    "price_vs_median_pct",
    "price_position"
  ],
  "columnTypes": {
    "year": "UInt16",
    "exporter_iso3": "FixedString(3)",
    "importer_iso3": "FixedString(3)",
    "hs_code": "FixedString(6)",
    "unit_value_usd_per_ton": "Float64",
    "quantity_metric_tons": "Float64",
    "trade_value_usd": "Float64",
    "market_median_price_usd_per_ton": "Float64",
    "market_min_price_usd_per_ton": "Float64",
    "market_max_price_usd_per_ton": "Float64",
    "num_price_competitors": "UInt32",
    "price_vs_median_pct": "Nullable(Float64)",
    "price_position": "Nullable(String)"
  },
  "coverage": "1995-2024 where reported",
  "rowMeaning": "one year, exporter, importer, and HS6 product lane",
  "includes": [
    "Unit values and quantities",
    "Trade value and market price comparisons",
    "Price trend or position measures"
  ],
  "metricDefinitions": [
    "USD fields are monetary values denominated in US dollars.",
    "Country fields use three-letter ISO 3166-1 country codes.",
    "HS6 identifies a product at the six-digit Harmonized System level.",
    "Growth percentages compare reported values across the relevant periods; calculated and projected fields are identified in the schema."
  ],
  "source": [
    "OECD Balanced International Merchandise Trade Statistics (BIMTS)",
    "Yugalinks calculated price measures from reported trade values and quantities"
  ]
}