Year	Percent of GDP
2004-01-01	14.5018
2005-01-01	17.3267
2006-01-01	19.6241
2007-01-01	17.5213
2008-01-01	14.6357
2009-01-01	12.7807
2010-01-01	11.0003
2011-01-01	11.4448
2012-01-01	12.0493
2013-01-01	13.4800
2014-01-01	12.6306
2015-01-01	13.2287
2016-01-01	12.6586
2017-01-01	15.7451