Year	Percent of GDP
2007-01-01	63.2585
2008-01-01	64.4143
2009-01-01	64.0694
2010-01-01	62.8798
2011-01-01	65.6635
2012-01-01	65.2290
2013-01-01	61.9008
2014-01-01	63.5314
2015-01-01	67.2368
2016-01-01	70.6541