Year	Percent of GDP
2004-01-01	36.2560
2005-01-01	37.9033
2006-01-01	44.2789
2007-01-01	41.5219
2008-01-01	48.9748
2009-01-01	57.4602
2010-01-01	62.8394
2011-01-01	65.6816
2012-01-01	64.4137
2013-01-01	64.4548
2014-01-01	63.9820
2015-01-01	65.1340
2016-01-01	65.2268