Year	Percent of GDP
2004-01-01	37.1722
2005-01-01	39.3788
2006-01-01	41.7517
2007-01-01	41.9999
2008-01-01	45.4197
2009-01-01	51.0724
2010-01-01	49.1682
2011-01-01	45.8461
2012-01-01	45.9655
2013-01-01	44.1448
2014-01-01	41.1903
2015-01-01	32.1537
2016-01-01	31.5388
2017-01-01	32.1914