Year	Percent of GDP
2004-01-01	33.0649
2005-01-01	31.8816
2006-01-01	31.1337
2007-01-01	31.8686
2008-01-01	36.6828
2009-01-01	34.9645
2010-01-01	33.2464
2011-01-01	34.2153
2012-01-01	38.1964
2013-01-01	39.8669
2014-01-01	39.4203
2015-01-01	41.6953
2016-01-01	41.5732