Year	Percent of GDP
2004-01-01	6.7434
2005-01-01	6.8893
2006-01-01	6.9813
2007-01-01	7.5247
2008-01-01	7.3205
2009-01-01	8.5071
2010-01-01	9.0692
2011-01-01	10.3621
2012-01-01	11.0318
2013-01-01	11.7738
2014-01-01	12.4935
2015-01-01	12.7141
2016-01-01	12.6649