{
  "fields": [{"id":"_id","type":"int"},{"id":"年度","type":"text"},{"id":"砂場・広場の放射線量 延べ測定回数[回]","type":"text"},{"id":"給食の放射能 延べ測定回数[回]","type":"numeric"},{"id":"牛乳の放射能 延べ測定回数[回]","type":"numeric"},{"id":"放射線測定機器の貸出件数[件]","type":"numeric"},{"id":"放射線(港区役所)年平均値[μSv/時]","type":"numeric"},{"id":"放射線(お台場学園港陽小中)年平均値[μSv/時]","type":"numeric"}],
  "records": [
    [1,"2014","406",275,238,8,0.079,0.054],
    [2,"2015","207",296,263,9,0.069,0.042],
    [3,"2016","207",307,276,6,0.075,0.043],
    [4,"2017","207",317,277,0,0.069,0.042],
    [5,"2018","",null,null,null,0.071,0.041],
    [6,null,null,null,null,null,null,null],
    [7,"令和元年度港区行政資料集　放射能・放射線対策","Ver201903",null,null,null,null,null]
]}