{
  "field": "year",
  "partitions": [
    {
      "value": 2010,
      "rows": 208,
      "json": "by/year/2010.json"
    },
    {
      "value": 2011,
      "rows": 201,
      "json": "by/year/2011.json"
    },
    {
      "value": 2012,
      "rows": 204,
      "json": "by/year/2012.json"
    },
    {
      "value": 2013,
      "rows": 204,
      "json": "by/year/2013.json"
    },
    {
      "value": 2014,
      "rows": 216,
      "json": "by/year/2014.json"
    }
  ]
}