Year	Percent of GDP
2004-01-01	92.7913
2005-01-01	86.3422
2006-01-01	82.8657
2007-01-01	86.0439
2008-01-01	100.0717
2009-01-01	100.5141
2010-01-01	100.1187
2011-01-01	121.2914
2012-01-01	135.7921
2013-01-01	151.7111
2014-01-01	155.5139
2015-01-01	146.9642
2016-01-01	150.4727