{
  "fields": [
    {
      "name": "financial_year",
      "type": "string",
      "title": "(file)",
      "description": "July to June, such as 2018-19."
    },
    {
      "name": "group",
      "type": "string",
      "title": "Group"
    },
    {
      "name": "commodity",
      "type": "string",
      "title": "Commodity",
      "description": "As the publisher names it, without the note number. A few names change over the years, such as Zinc/Lead Concentrate becoming Zinc Lead Concentrate."
    },
    {
      "name": "unit",
      "type": "string",
      "title": "Unit of Quantity",
      "description": "Tonnes, grams, carats or kilograms. Blank on the totals."
    },
    {
      "name": "quantity_produced",
      "type": "number",
      "title": "Quantity Produced"
    },
    {
      "name": "quantity_sold",
      "type": "number",
      "title": "Quantity Sold"
    },
    {
      "name": "amount_sold_aud",
      "type": "number",
      "title": "$ Amount for Quantity Sold",
      "description": "The gross amount paid to the operator for the quantity sold, in Australian dollars."
    },
    {
      "name": "note",
      "type": "string",
      "title": "Note",
      "description": "The number of the publisher's explanatory note on this commodity in that year's workbook."
    }
  ],
  "missingValues": [
    ""
  ],
  "primaryKey": [
    "financial_year",
    "group",
    "commodity"
  ]
}