Year	Percent of GDP
2004-01-01	11.5392
2005-01-01	15.1651
2006-01-01	15.3766
2007-01-01	14.7810
2008-01-01	14.0159
2009-01-01	16.6540
2010-01-01	16.4844
2011-01-01	14.6962
2012-01-01	15.5749
2013-01-01	12.3850
2014-01-01	10.1047
2015-01-01	9.7267