Year	Percent of GDP
2004-01-01	11.5757
2005-01-01	10.4831
2006-01-01	10.5008
2007-01-01	11.9596
2008-01-01	13.0558
2009-01-01	15.5542
2010-01-01	14.8031
2011-01-01	14.2446
2012-01-01	16.5179
2013-01-01	18.3460
2014-01-01	17.4310
2015-01-01	19.6482
2016-01-01	18.5443