{
  "fields": [
    {
      "name": "postcode",
      "type": "string",
      "title": "PostCode"
    },
    {
      "name": "age",
      "type": "integer",
      "title": "Age"
    },
    {
      "name": "sex",
      "type": "string",
      "title": "Sex"
    },
    {
      "name": "licences",
      "type": "integer",
      "title": "Total"
    }
  ],
  "missingValues": [
    ""
  ]
}