Year	Percent of GDP
2004-01-01	35.9529
2005-01-01	37.1016
2006-01-01	33.2585
2007-01-01	35.4136
2008-01-01	32.0561
2009-01-01	29.5711
2010-01-01	30.0810
2011-01-01	27.9818
2012-01-01	29.8910
2013-01-01	30.7482
2014-01-01	30.3889
2015-01-01	30.0530
2016-01-01	31.8133