{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo de Edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Menores de 14",2011,283288],
    [2,"14 a 64",2011,682637],
    [3,"65 a 79",2011,77645],
    [4,"80 y más",2011,24313]
]}