Year	Percent of GDP
2004-01-01	6.1590
2005-01-01	5.7844
2006-01-01	4.5980
2007-01-01	4.4215
2008-01-01	4.9630
2009-01-01	7.3906
2010-01-01	9.1822
2011-01-01	11.4512
2012-01-01	12.0788
2013-01-01	12.3106
2014-01-01	11.8134
2015-01-01	13.3458
2016-01-01	14.0897