{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,4.4],
    [2,2007,4.9],
    [3,2008,4.8],
    [4,2009,4.3],
    [5,2010,4.1],
    [6,2011,4.3],
    [7,2012,3.6],
    [8,2013,3.5],
    [9,2014,3.5],
    [10,2015,3.2],
    [11,2016,2.8],
    [12,2017,2.7]
]}