{
  "datasetId": "yugalinks/import-export-hs4-profile-series-v1",
  "format": "Parquet",
  "description": "Annual HS4 trade values and growth, with exporter/importer concentration indexes and volatility for each product category.",
  "columns": [
    "year",
    "hs4",
    "global_trade_usd",
    "yoy_growth_pct",
    "exporter_concentration_hhi",
    "importer_concentration_hhi",
    "volatility_score"
  ],
  "columnTypes": {
    "year": "uint16",
    "hs4": "string",
    "global_trade_usd": "float64",
    "yoy_growth_pct": "float64",
    "exporter_concentration_hhi": "float64",
    "importer_concentration_hhi": "float64",
    "volatility_score": "float64"
  },
  "coverage": "1995-2024 annual observations where available",
  "rowMeaning": "one year and one HS4 product category",
  "includes": [
    "Annual global trade value and growth",
    "Exporter and importer concentration indexes",
    "Trade volatility score"
  ],
  "metricDefinitions": [
    "HS4 is a four-digit Harmonized System product group.",
    "HHI summarizes concentration; higher values indicate activity is concentrated among fewer participants.",
    "Year-over-year growth compares a value with the previous year; a negative percentage indicates a decline.",
    "Fields marked USD are monetary values denominated in US dollars.",
    "Values ending in pct are percentages."
  ],
  "source": [
    "OECD BIMTS HS2017-6D"
  ]
}