Year	Percent of GDP
2004-01-01	28.2514
2005-01-01	26.0691
2006-01-01	39.1024
2007-01-01	45.3526
2008-01-01	45.8734
2009-01-01	44.2281
2010-01-01	37.6077
2011-01-01	31.0358
2012-01-01	33.3265
2013-01-01	29.6137
2014-01-01	29.0282
2015-01-01	31.1232
2016-01-01	27.4889