Year	Percent of GDP
2004-01-01	11.9558
2005-01-01	12.5029
2006-01-01	12.6570
2007-01-01	13.3311
2008-01-01	14.4586
2009-01-01	15.0021
2010-01-01	16.0116
2011-01-01	16.6906
2012-01-01	14.7118
2013-01-01	15.5799
2014-01-01	16.2137