Year	Percent of GDP
2004-01-01	28.0013
2005-01-01	32.1802
2006-01-01	36.3521
2007-01-01	40.2646
2008-01-01	44.2738
2009-01-01	45.3366
2010-01-01	44.3191
2011-01-01	46.6517
2012-01-01	48.3031
2013-01-01	49.1860
2014-01-01	50.4782
2015-01-01	50.2738
2016-01-01	49.5442
