{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo de edad","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"12 a 14",2008,2.3],
    [2,"15 a 19",2008,4.2],
    [3,"20 a 24",2008,8.3],
    [4,"25 a 29",2008,12],
    [5,"12 a 14",2013,3.7],
    [6,"15 a 19",2013,3.6],
    [7,"20 a 24",2013,6.5],
    [8,"25 a 29",2013,12.4]
]}