{
  "fields": [{"id":"_id","type":"int"},{"id":"年度別（年度末現在）・区分","type":"text"},{"id":"総数（箇所）","type":"numeric"},{"id":"50m未満（箇所）","type":"text"},{"id":"50〜100m未満（箇所）","type":"numeric"},{"id":"100〜150m未満（箇所）","type":"numeric"},{"id":"150〜200m未満（箇所）","type":"numeric"},{"id":"200m以上（箇所）","type":"numeric"}],
  "records": [
    [1,"2017",71,"3",16,25,10,17],
    [2,"2018",72,"3",16,26,11,16],
    [3,"2019",76,"3",16,26,11,20],
    [4,"2020",76,"3",16,26,11,20],
    [5,"2021",77,"3",16,26,11,21],
    [6,"国道",16,"-",2,8,3,3],
    [7,"県道",18,"-",4,7,2,5],
    [8,"市道",43,"3",10,11,6,13]
]}