{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo de edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"0 a 11",2013,1.6],
    [2,"12 a 14",2013,10.7],
    [3,"15 a 19",2013,65.6],
    [4,"20 a 24",2013,20.7],
    [5,"25 a 29",2013,1.3]
]}