Year	Percent of GDP
2004-01-01	38.0909
2005-01-01	39.2153
2006-01-01	43.7431
2007-01-01	46.3811
2008-01-01	43.9716
2009-01-01	42.0402
2010-01-01	42.1258
2011-01-01	41.8165
2012-01-01	41.5762
2013-01-01	43.3586
2014-01-01	44.6376
2015-01-01	43.3310
2016-01-01	45.8963