Year	Percent of GDP
2004-01-01	9.0858
2005-01-01	10.7748
2006-01-01	10.9051
2007-01-01	12.3760
2008-01-01	14.4186
2009-01-01	15.5459
2010-01-01	17.5346
2011-01-01	17.9973
2012-01-01	17.1294