{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2006,15.5],
    [2,2007,15.2],
    [3,2008,12.8],
    [4,2009,11.4],
    [5,2010,11],
    [6,2011,9.5],
    [7,2012,8.9],
    [8,2013,8.8],
    [9,2014,8.6],
    [10,2015,9.7],
    [11,2016,11.9],
    [12,2017,11.8]
]}