{
  "fields": [{"id":"_id","type":"int"},{"id":"西暦","type":"text"},{"id":"和暦","type":"text"},{"id":"総延長","type":"numeric"},{"id":"総延長/舗装延長","type":"numeric"},{"id":"セメント系/舗装延長","type":"numeric"},{"id":"高級アスファルト/舗装延長","type":"numeric"},{"id":"簡易アスファルト/舗装延長","type":"numeric"},{"id":"非舗装延長","type":"numeric"},{"id":"舗装率(%)","type":"numeric"},{"id":"凡例・注釈・資料","type":"text"},{"id":"凡例・注釈・資料(詳細)","type":"text"}],
  "records": [
    [1,"2021年","令和3年",1180124,1109128,8949,1100005,174,70996,94,"凡例：","0：データが0又は単位に満たない値　　\"-\"：データが存在しない　　\"…\"：未調査・未集計により不明　　\"***\"：集計に必要なデータが無い　　\"X\"：秘匿データ　　\"*\"：複数項目をくくって数値を表章"],
    [2,"2022年","令和4年",1183945,1113315,9021,1104120,174,70630,94,"単位：","延長m"],
    [3,"2023年","令和5年",1185596,1115650,9028,1106291,331,69946,94.1,"期間：","各年3月末日現在"],
    [4,"2024年","令和6年",1182171,1116131,8909,1106890,332,66040,94.4,"資料：","道路管理課"],
    [5,"2025年","令和7年",1183728,1183728,8910,1109009,332,65477,94.5,"",""]
]}