Year	Percent of GDP
2004-01-01	48.0252
2005-01-01	48.7017
2006-01-01	47.9797
2007-01-01	48.3846
2008-01-01	49.2956
2009-01-01	53.9374
2010-01-01	54.4838
2011-01-01	55.9785
2012-01-01	57.8596
2013-01-01	57.6985
2014-01-01	57.3783
2015-01-01	57.1799
2016-01-01	56.8800