Year	Percent of GDP
2004-01-01	15.0413
2005-01-01	15.0905
2006-01-01	14.7354
2007-01-01	14.3064
2008-01-01	14.3445
2009-01-01	15.4240
2010-01-01	15.3246
2011-01-01	15.2918
2012-01-01	15.6435
2013-01-01	15.9147
2014-01-01	15.9991
2015-01-01	16.1491
2016-01-01	16.3082
2017-01-01	17.2130