{
  "fields": [{"id":"_id","type":"int"},{"id":"電話加入者数","type":"text"},{"id":"公衆電話個数","type":"numeric"}],
  "records": [
    [1,"7811",68],
    [2,"7274",66],
    [3,"7231",61],
    [4,"6611",55],
    [5,"5684",48],
    [6,null,null]
]}