{
  "fields": [{"id":"_id","type":"int"},{"id":"年　　次","type":"text"},{"id":"実延長","type":"numeric"},{"id":"舗装済延長","type":"numeric"},{"id":"舗装済内訳","type":"text"},{"id":"舗装率","type":"text"},{"id":"改良率","type":"numeric"}],
  "records": [
    [1,"",null,null,"セメント",null,null],
    [2,"平成29年",2384886.4,2310384.7,"315145.7","96.900000000000005684341886080801486968994140625",75.3],
    [3,"30.0",2389503.6,2315312.5,"314833.9","96.900000000000005684341886080801486968994140625",75.4],
    [4,"令和元年",2393941.1,2319986.1,"313888.2","96.900000000000005684341886080801486968994140625",75.4],
    [5,"2.0",2400654.4,2326847,"312937.3","96.900000000000005684341886080801486968994140625",75.6],
    [6,"3.0",2408907.2,2336715.7,"309983.5","97",75.8],
    [7,"　資料　土木建築部土木管理課",null,null,"",null,null]
]}