Year	Percent of GDP
2004-01-01	37.0237
2005-01-01	36.8391
2006-01-01	36.6522
2007-01-01	35.9844
2008-01-01	36.2897
2009-01-01	39.7150
2010-01-01	40.9787
2011-01-01	40.9047
2012-01-01	41.6943
2013-01-01	40.0756
2014-01-01	40.1474
2015-01-01	39.8263
2016-01-01	41.0570
2017-01-01	43.1416