Year	Percent of GDP
2004-01-01	66.4270
2005-01-01	69.4757
2006-01-01	71.7172
2007-01-01	74.8621
2008-01-01	74.9625
2009-01-01	84.9698
2010-01-01	90.7597
2011-01-01	80.5732
2012-01-01	80.3333
2013-01-01	80.5347
2014-01-01	82.2293
2015-01-01	86.7900
2016-01-01	92.7270