{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"numeric"},{"id":"路線数【本】","type":"numeric"}],
  "records": [
    [1,2011,96],
    [2,2012,95],
    [3,2013,95],
    [4,2014,95],
    [5,2015,95],
    [6,2016,104],
    [7,2017,104],
    [8,2018,104],
    [9,2019,105],
    [10,2020,105],
    [11,2021,101]
]}