Year	Percent of GDP
2004-01-01	32.8154
2005-01-01	33.2497
2006-01-01	35.2998
2007-01-01	37.4154
2008-01-01	40.0899
2009-01-01	42.5101
2010-01-01	42.7324
2011-01-01	43.9448
2012-01-01	38.1616
2013-01-01	37.0805
2014-01-01	36.5398
2015-01-01	35.1705
2016-01-01	36.3435