{
  "fields": [{"id":"_id","type":"int"},{"id":"年月日[西暦]","type":"text"},{"id":"区分","type":"text"},{"id":"面積[ha]","type":"numeric"},{"id":"割合[%]","type":"numeric"}],
  "records": [
    [1,"20040624","第１種低層住居専用地域",0.1,0.0],
    [2,"20040624","第１種中高層住居専用地域",453.5,22.3],
    [3,"20040624","第２種中高層住居専用地域",100.9,4.96],
    [4,"20040624","第１種住居地域",161.5,7.94],
    [5,"20040624","第２種住居地域",209.0,10.28],
    [6,"20040624","近隣商業地域",83.7,4.12],
    [7,"20040624","商業地域",624.9,30.72],
    [8,"20040624","準工業地域",360.3,17.71],
    [9,"20040624","小計",1993.9,98.03],
    [10,"20040624","無指定面積",40.0,1.97],
    [11,"20040624","合計",2033.9,100.0],
    [12,"20201217","第１種低層住居専用地域",0.1,0.0],
    [13,"20201217","第１種中高層住居専用地域",447.6,22.01],
    [14,"20201217","第２種中高層住居専用地域",100.1,4.92],
    [15,"20201217","第１種住居地域",162.6,7.99],
    [16,"20201217","第２種住居地域",213.0,10.47],
    [17,"20201217","近隣商業地域",83.7,4.12],
    [18,"20201217","商業地域",624.9,30.72],
    [19,"20201217","準工業地域",361.9,17.79],
    [20,"20201217","小計",1993.9,98.03],
    [21,"20201217","無指定面積",40.0,1.97],
    [22,"20201217","合計",2033.9,100.0],
    [23,null,null,null,null],
    [24,"令和3年度港区行政資料集　用途地域","Ver202012",null,null]
]}