Year	Percent of GDP
2004-01-01	19.7875
2005-01-01	18.8551
2006-01-01	14.5211
2007-01-01	17.3218
2008-01-01	18.4726
2009-01-01	21.6846
2010-01-01	19.7215
2011-01-01	19.4923
2012-01-01	20.3538
2013-01-01	20.7307
2014-01-01	24.4018
2015-01-01	25.7631
2016-01-01	26.8806