{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"numeric"},{"id":"時間帯","type":"text"},{"id":"利用者数[人]","type":"numeric"}],
  "records": [
    [1,2017,"昼",11084],
    [2,2018,"昼",10690],
    [3,2019,"昼",9857],
    [4,2020,"昼",2679],
    [5,2021,"昼",2937],
    [6,2017,"夜",22569],
    [7,2018,"夜",21516],
    [8,2019,"夜",18470],
    [9,2020,"夜",6063],
    [10,2021,"夜",6580]
]}