Year	Percent of GDP
2004-01-01	0.0422211922576089
2005-01-01	0.0451371543635307
2006-01-01	0.0502739348074573
2007-01-01	0.0532712507561731
2008-01-01	0.0551217507448885
2009-01-01	0.0603056446495035
2010-01-01	0.0604831513538946
2011-01-01	0.0590564712562949
2012-01-01	0.0596395301741596
2013-01-01	0.0590559854597527
2014-01-01	0.0632555833998843
2015-01-01	0.0669181835706221