Year	Percent of GDP
2004-01-01	14.9191
2005-01-01	17.9072
2006-01-01	17.8609
2007-01-01	23.1244
2008-01-01	26.6465
2009-01-01	23.8106
2010-01-01	19.8910
2011-01-01	14.8948
2012-01-01	12.4884
2013-01-01	14.2463
2014-01-01	13.9354