Year	Percent of GDP
2004-01-01	0.4809
2005-01-01	25.8047
2006-01-01	29.5679
2007-01-01	32.1085
2008-01-01	29.0501
2009-01-01	26.9821
2010-01-01	27.9029
2011-01-01	27.2810
2012-01-01	27.1884
2013-01-01	28.1302
2014-01-01	27.4383
2015-01-01	25.9611
2016-01-01	27.1481