{
  "fields": [
    {
      "name": "month",
      "type": "date",
      "title": "Month-Year",
      "description": "First day of the month reported.",
      "format": "%b-%Y"
    },
    {
      "name": "mode",
      "type": "string",
      "title": "Mode"
    },
    {
      "name": "passenger_trips",
      "type": "integer",
      "title": "Passenger trips"
    }
  ],
  "missingValues": [
    ""
  ],
  "primaryKey": [
    "month",
    "mode"
  ]
}