{
  "fields": [{"id":"_id","type":"int"},{"id":"種別","type":"text"},{"id":"平成29年","type":"numeric"},{"id":"平成30年","type":"numeric"},{"id":"令和元年","type":"numeric"},{"id":"令和2年","type":"numeric"},{"id":"令和3年","type":"numeric"}],
  "records": [
    [1,"総隻数",158,150,146,130,149],
    [2,"１トン未満",41,43,39,31,38],
    [3,"１～３トン",59,48,49,45,50],
    [4,"３～５トン",30,31,32,29,32],
    [5,"５～１０トン",21,21,20,21,23],
    [6,"１０～２０トン",7,7,6,4,6],
    [7,"",null,null,null,null,null],
    [8,"",null,null,null,null,null],
    [9,"",null,null,null,null,null],
    [10,"",null,null,null,null,null],
    [11,"",null,null,null,null,null],
    [12,"",null,null,null,null,null],
    [13,"",null,null,null,null,null]
]}