{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo de Edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Hasta 21 años",2016,5.8],
    [2,"22 a 30",2016,25.1],
    [3,"31 a 40",2016,33.1],
    [4,"41 a 64",2016,32.6],
    [5,"65 y más",2016,3.5]
]}