Year	Percent of GDP
2004-01-01	1.0783
2005-01-01	1.3604
2006-01-01	1.9505
2007-01-01	3.4987
2008-01-01	4.1431
2009-01-01	3.8502
2010-01-01	3.9083
2011-01-01	3.8148
2012-01-01	3.6104
2013-01-01	4.9721