Year	Percent of GDP
1998-01-01	9.99266313765325
1999-01-01	10.62020852812840
2000-01-01	10.58359268605550
2001-01-01	15.09844690571740
2002-01-01	15.66845490956140
2003-01-01	15.41532370693810
2004-01-01	15.70129239937420
2005-01-01	15.13521322841290
2006-01-01	15.80805672409420
2007-01-01	16.49201544459750
2008-01-01	17.21488829730390
2009-01-01	16.33213435584280
2010-01-01	14.68616834251920
2011-01-01	16.16638653475440
2012-01-01	17.45280764595910
2013-01-01	16.14980086431960
2014-01-01	16.88845417206160
2015-01-01	16.61880612086920
2016-01-01	16.65121715982470
2017-01-01	18.35005590526540