{
  "fields": [{"id":"_id","type":"int"},{"id":"年度[西暦]","type":"text"},{"id":"車道幅員別","type":"text"},{"id":"国道 延長[メートル]","type":"numeric"},{"id":"国道 面積[平方メートル]","type":"numeric"},{"id":"都道 延長[メートル]","type":"numeric"},{"id":"都道 面積[平方メートル]","type":"numeric"},{"id":"自動車専用道 延長[メートル]","type":"numeric"},{"id":"自動車専用道 面積[平方メートル]","type":"numeric"},{"id":"区道 延長[メートル]","type":"numeric"},{"id":"区道 面積[平方メートル]","type":"numeric"},{"id":"区有通路 延長[メートル]","type":"numeric"},{"id":"区有通路 面積[平方メートル]","type":"numeric"},{"id":"合計 延長[メートル]","type":"numeric"},{"id":"合計 面積[平方メートル]","type":"numeric"}],
  "records": [
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    [2,"2018","合計",13946,516736,47754,1532287,20207,485787,222042,1858278,513,2438,304462,4395526],
    [3,"2019","合計",13946,516830,47754,1532299,20207,485787,221832,1857636,513,2438,304252,4394990],
    [4,"2020","合計",13946,516830,47754,1532330,20207,485791,219396,1843689,490,2128,301793,4380768],
    [5,"2021","5.5ｍ未満",0,0,35,3599,0,0,133905,706290,333,1097,134273,710986],
    [6,"2021","5.5ｍ以上",0,0,11838,233191,0,0,75435,876452,157,1031,87430,1110674],
    [7,"2021","13.0ｍ以上",0,0,23368,721702,0,0,7227,170417,0,0,30595,892119],
    [8,"2021","19.5ｍ以上",14956,528460,13519,611949,20207,485791,2939,92318,0,0,51621,1718518],
    [9,"2021","合計",14956,528460,48760,1570441,20207,485791,219506,1845477,490,2128,303919,4432297],
    [10,null,null,null,null,null,null,null,null,null,null,null,null,null,null],
    [11,"令和3年度港区行政資料集　道路の種類別延長及び面積","Ver202104",null,null,null,null,null,null,null,null,null,null,null,null]
]}