{
  "fields": [{"id":"_id","type":"int"},{"id":"年次別・区分","type":"text"},{"id":"総数（人）","type":"numeric"},{"id":"20歳未満（人）","type":"numeric"},{"id":"20〜24歳（人）","type":"numeric"},{"id":"25〜29歳（人）","type":"numeric"},{"id":"30〜34歳（人）","type":"numeric"},{"id":"35〜39歳（人）","type":"numeric"},{"id":"40〜44歳（人）","type":"numeric"},{"id":"45歳以上（人）","type":"numeric"},{"id":"不詳（人）","type":"numeric"}],
  "records": [
    [1,"2016",528,54,136,105,105,88,38,2,0],
    [2,"2017",509,52,121,103,104,79,47,3,0],
    [3,"2018",495,43,108,83,117,88,51,5,0],
    [4,"2019",472,53,112,99,81,79,45,3,0],
    [5,"2020",466,58,114,89,88,75,40,2,0],
    [6,"満７週以前",305,33,69,55,56,59,32,1,0],
    [7,"8 〜11週",156,24,44,33,32,14,8,1,0],
    [8,"12〜15週",2,0,1,1,0,0,0,0,0],
    [9,"16〜19週",1,0,0,0,0,1,0,0,0],
    [10,"20〜21週",2,1,0,0,0,1,0,0,0],
    [11,"不詳",0,0,0,0,0,0,0,0,0]
]}