Year	Percent of GDP
2004-01-01	39.8821
2005-01-01	40.4206
2006-01-01	44.5232
2007-01-01	45.4526
2008-01-01	44.9348
2009-01-01	46.4567
2010-01-01	46.3818
2011-01-01	47.4222
2012-01-01	46.6576
2013-01-01	45.9516
2014-01-01	47.2666
2015-01-01	50.1661
2016-01-01	54.8327