{
  "fields": [{"id":"_id","type":"int"},{"id":"年度末_西暦","type":"numeric"},{"id":"箇所数_永久橋","type":"numeric"},{"id":"箇所数_木道","type":"numeric"},{"id":"箇所数_混合","type":"numeric"},{"id":"橋長_総数[m]","type":"numeric"},{"id":"橋長_永久橋[m]","type":"numeric"},{"id":"橋長_木道[m]","type":"numeric"},{"id":"橋長_混合[m]","type":"numeric"},{"id":"面積_永久橋[m2]","type":"numeric"},{"id":"面積_木道[m2]","type":"numeric"},{"id":"面積_混合[m2]","type":"numeric"}],
  "records": [
    [1,2017,1280,1,4,12034,12008,6,21,92924,17,74],
    [2,2018,1282,1,4,12088,12062,6,21,93244,17,74],
    [3,2019,1282,1,4,12089,12063,6,21,93247,17,74],
    [4,2020,1283,1,4,12103,12077,6,21,93299,17,74],
    [5,2021,1282,1,4,12056,12030,6,21,93123,17,74],
    [6,2022,1282,1,4,12061,12035,6,21,93141,17,74]
]}