{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,7.4],
    [2,2007,8.3],
    [3,2008,7.4],
    [4,2009,7.6],
    [5,2010,7.1],
    [6,2011,6.4],
    [7,2012,4.8],
    [8,2013,4.5],
    [9,2014,4.1],
    [10,2015,3.6],
    [11,2016,3.5],
    [12,2017,3.3]
]}