Year	Percent of GDP
2007-01-01	65.7661
2008-01-01	69.1613
2009-01-01	65.9343
2010-01-01	67.6827
2011-01-01	68.3308
2012-01-01	66.8443
2013-01-01	64.9468
2014-01-01	65.0020
2015-01-01	65.6124
2016-01-01	64.7159