Year	Percent of GDP
2004-01-01	41.9503
2005-01-01	40.6569
2006-01-01	38.5450
2007-01-01	38.2403
2008-01-01	35.4294
2009-01-01	35.1939
2010-01-01	34.0731
2011-01-01	35.5594
2012-01-01	37.4339
2013-01-01	38.3817
2014-01-01	38.9265
2015-01-01	38.2689
2016-01-01	38.9847