{
  "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":"木造（箇所）","type":"numeric"},{"id":"鋼（箇所）","type":"numeric"},{"id":"石およびコンクリート、その他（箇所）","type":"numeric"}],
  "records": [
    [1,"2016",369,4,45,320],
    [2,"2017",367,4,43,320],
    [3,"2018",372,3,41,328],
    [4,"2019",373,3,41,329],
    [5,"2020",373,3,41,329],
    [6,"国道",24,0,3,21],
    [7,"県道",28,0,2,26],
    [8,"市道",321,3,36,282]
]}