{
  "fields": [{"id":"_id","type":"int"},{"id":"Sexo","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Varones",2008,28.9],
    [2,"Mujeres",2008,33.7],
    [3,"Varones",2013,28.1],
    [4,"Mujeres",2013,33.9]
]}