Year	Percent of GDP
2006-01-01	28.4119
2007-01-01	30.9607
2008-01-01	32.7726
2009-01-01	35.2085
2010-01-01	34.8962
2011-01-01	33.4330
2012-01-01	32.0916
2013-01-01	30.9226
2014-01-01	30.1495
2015-01-01	30.8744
2016-01-01	30.4488