{
  "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]
]}