{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo de edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"15 a 19",2008,10.6],
    [2,"20 a 24",2008,18.6],
    [3,"25 a 29",2008,20.6],
    [4,"15 a 19",2013,8.9],
    [5,"20 a 24",2013,12.7],
    [6,"25 a 29",2013,17.7]
]}