Year	Percent of GDP
2004-01-01	35.6557
2005-01-01	37.1108
2006-01-01	38.6341
2007-01-01	39.0377
2008-01-01	40.4703
2009-01-01	44.2367
2010-01-01	47.3333
2011-01-01	48.8021
2012-01-01	51.2391
2013-01-01	53.4529
2014-01-01	54.7791
2015-01-01	55.3889
2016-01-01	54.4226