{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramos de Edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"0 a 13",2011,44.3],
    [2,"14 a 24",2011,43.2],
    [3,"25 a 29",2011,34.1],
    [4,"30 a 49",2011,30.1],
    [5,"50 a 64",2011,25.8],
    [6,"65 y más",2011,23.2]
]}