Year	Percent of GDP
2007-01-01	156.9043
2008-01-01	160.5321
2009-01-01	157.5047
2010-01-01	152.8606
2011-01-01	144.0893
2012-01-01	136.6220
2013-01-01	132.7019
2014-01-01	135.9604
2015-01-01	136.8133
2016-01-01	133.9411
2017-01-01	132.3646