Year	Percent of GDP
2004-01-01	39.3097
2005-01-01	40.8239
2006-01-01	40.6246
2007-01-01	44.2023
2008-01-01	46.3989
2009-01-01	51.7377
2010-01-01	51.1292
2011-01-01	51.6935
2012-01-01	53.7893
2013-01-01	53.8967
2014-01-01	53.8874
2015-01-01	55.3595
2016-01-01	56.7157
2017-01-01	60.7234