{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,5],
    [2,2007,5],
    [3,2008,4.7],
    [4,2009,4.3],
    [5,2010,4.6],
    [6,2011,4.3],
    [7,2012,3.8],
    [8,2013,3.7],
    [9,2014,3.4],
    [10,2015,3],
    [11,2016,2.8],
    [12,2017,2.5]
]}