Year	Percent of GDP
2004-01-01	1.7167
2005-01-01	1.6043
2006-01-01	1.4657
2007-01-01	1.5338
2008-01-01	1.5134
2009-01-01	1.7041
2010-01-01	1.6099
2011-01-01	1.7843
2012-01-01	1.6557
2013-01-01	1.6344
2014-01-01	1.7127