{
  "fields": [{"id":"_id","type":"int"},{"id":"Primer Control","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"1-3 semanas",2013,16.3],
    [2,"4-6 semanas",2013,36.3],
    [3,"7-9 semanas",2013,21.4],
    [4,"10-11 semanas",2013,5.9],
    [5,"12-13 semanas",2013,10.2],
    [6,"14-19 semanas",2013,5.7],
    [7,"20-24 semanas",2013,2.7],
    [8,"25-29 semanas",2013,0.9],
    [9,"30-34 semanas",2013,0.3],
    [10,"35-38 semanas",2013,0],
    [11,"No recuerda",2013,0.4]
]}