Year	Percent of GDP
2004-01-01	47.6682
2005-01-01	52.4152
2006-01-01	59.4833
2007-01-01	62.2496
2008-01-01	64.8036
2009-01-01	67.5431
2010-01-01	70.2192
2011-01-01	72.0936
2012-01-01	67.4363
2013-01-01	66.5005
2014-01-01	65.3361
2015-01-01	62.2034
2016-01-01	57.8431