{
  "fields": [{"type":"int","id":"_id"},{"type":"text","id":"Năm"},{"type":"numeric","id":"Cả nước"},{"type":"numeric","id":"Thành thị"},{"type":"numeric","id":"Nông thôn"}],
  "records": [
    [1,"2011",2.22,3.59,1.62],
    [2,"2012",1.87,3.12,1.29],
    [3,"2013",2.17,3.66,1.49],
    [4,"2014",1.84,3.26,1.2],
    [5,"2015",2.42,2.53,1.91],
    [6,"2016",2.29,3.11,1.88],
    [7,"2017",2.26,3.19,1.79],
    [8,"2018",2.19,3.09,1.74],
    [9,"2019",2.16,3.1,1.69],
    [10,"2020",2.73,4.46,1.8]
]}