{
  "fields": [{"id":"_id","type":"int"},{"id":"Nombre","type":"text"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"Buena",2007,38.9],
    [2,"Media",2007,4.1],
    [3,"Mala",2007,34.7],
    [4,"Muy mala",2007,22.2],
    [5,"Buena",2008,43.2],
    [6,"Media",2008,4.3],
    [7,"Mala",2008,34.2],
    [8,"Muy mala",2008,18.4],
    [9,"Buena",2009,48.3],
    [10,"Media",2009,4.3],
    [11,"Mala",2009,30.6],
    [12,"Muy mala",2009,16.9],
    [13,"Buena",2010,47.6],
    [14,"Media",2010,4],
    [15,"Mala",2010,31.9],
    [16,"Muy mala",2010,16.6],
    [17,"Buena",2011,50.5],
    [18,"Media",2011,4.1],
    [19,"Mala",2011,29.4],
    [20,"Muy mala",2011,15.9],
    [21,"Buena",2012,52.3],
    [22,"Media",2012,4.3],
    [23,"Mala",2012,29.6],
    [24,"Muy mala",2012,13.9],
    [25,"Buena",2013,55.8],
    [26,"Media",2013,3.5],
    [27,"Mala",2013,28.5],
    [28,"Muy mala",2013,12.2],
    [29,"Buena",2014,52.7],
    [30,"Media",2014,3.4],
    [31,"Mala",2014,30.1],
    [32,"Muy mala",2014,13.7],
    [33,"Buena",2015,54.9],
    [34,"Media",2015,3.3],
    [35,"Mala",2015,29.3],
    [36,"Muy mala",2015,12.6],
    [37,"Buena",2016,53.2],
    [38,"Media",2016,3],
    [39,"Mala",2016,31.1],
    [40,"Muy mala",2016,12.8],
    [41,"Buena",2017,56],
    [42,"Media",2017,2.5],
    [43,"Mala",2017,30.2],
    [44,"Muy mala",2017,11.3],
    [45,"Buena",2018,56.7],
    [46,"Media",2018,2.5],
    [47,"Mala",2018,29.8],
    [48,"Muy mala",2018,11.1]
]}