{
  "fields": [{"id":"_id","type":"int"},{"id":"年度[西暦]","type":"text"},{"id":"放射線(港区役所)[μSv/時]","type":"text"},{"id":"放射線(お台場学園港陽小・中学校)[μSv/時]","type":"numeric"}],
  "records": [
    [1,"2020","0.070",0.041],
    [2,null,null,null],
    [3,"令和7年度港区行政資料集　放射能・放射線対策（各年度末現在）","Ver202503",null]
]}