{
  "fields": [{"id":"_id","type":"int"},{"id":"Sexo","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Varones",2007,37.2],
    [2,"Mujeres",2007,28.6],
    [3,"Varones",2013,32.5],
    [4,"Mujeres",2013,25.4]
]}