Year	Percent of GDP
2004-01-01	26.4714
2005-01-01	29.2693
2006-01-01	31.1370
2007-01-01	32.2703
2008-01-01	30.9879
2009-01-01	29.4968
2010-01-01	30.7047
2011-01-01	31.2588
2012-01-01	33.7723
2013-01-01	33.2599
2014-01-01	32.0025
2015-01-01	33.2535
2016-01-01	31.6904
2017-01-01	31.0411