{
  "fields": [{"id":"_id","type":"int"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,2005,20],
    [2,2006,19.7],
    [3,2007,19.1],
    [4,2008,25.8],
    [5,2009,25.7],
    [6,2010,25.1],
    [7,2011,24.3],
    [8,2012,22],
    [9,2013,21.9],
    [10,2014,21.4],
    [11,2015,21.1]
]}