{
  "fields": [
    {
      "name": "operator",
      "type": "string",
      "title": "OPERATOR"
    },
    {
      "name": "month",
      "type": "date",
      "title": "MONTH",
      "description": "First day of the month.",
      "format": "%Y-%m"
    },
    {
      "name": "route",
      "type": "string",
      "title": "ROUTE"
    },
    {
      "name": "direction",
      "type": "string",
      "title": "DIRECTION"
    },
    {
      "name": "time_grouping",
      "type": "string",
      "title": "TIME_GROUPING"
    },
    {
      "name": "ticket_type",
      "type": "string",
      "title": "TICKET_TYPE"
    },
    {
      "name": "origin_stop",
      "type": "string",
      "title": "ORIGIN_STOP",
      "description": "Stop id. Kept as text because some ids start with letters."
    },
    {
      "name": "destination_stop",
      "type": "string",
      "title": "DESTINATION_STOP",
      "description": "Stop id. Kept as text because some ids start with letters."
    },
    {
      "name": "quantity",
      "type": "integer",
      "title": "QUANTITY"
    }
  ],
  "missingValues": [
    ""
  ]
}