Year	Percent of GDP
2004-01-01	44.8210
2005-01-01	45.1611
2006-01-01	48.2494
2007-01-01	49.5849
2008-01-01	53.8380
2009-01-01	57.7842
2010-01-01	59.7421
2011-01-01	60.2403
2012-01-01	62.7326
2013-01-01	65.7240
2014-01-01	64.2983
2015-01-01	61.7575
2016-01-01	60.9458
2017-01-01	61.1953