{
  "fields": [{"id":"_id","type":"int"},{"id":"年度[西暦]","type":"text"},{"id":"放射線(港区役所)年平均値[μSv/時]","type":"text"},{"id":"放射線(お台場学園港陽小中)年平均値[μSv/時]","type":"numeric"}],
  "records": [
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    [2,"2019","0.069",0.041],
    [3,"2020","0.070",0.041],
    [4,null,null,null],
    [5,"令和5年度港区行政資料集　放射能・放射線対策","Ver202303",null]
]}