Year	Percent of GDP
2008-01-01	24.1401
2009-01-01	29.0953
2010-01-01	30.3986
2011-01-01	31.7514
2012-01-01	34.9728
2013-01-01	34.9851
2014-01-01	36.2709
2015-01-01	36.6081
2016-01-01	36.1070