Year	Percent of GDP
2005-01-01	0.02237618946779100
2006-01-01	0.05432450064815660
2007-01-01	0.05533913359946410
2008-01-01	0.01047551427491670
2010-01-01	-0.01228902685221350
2011-01-01	-0.00878585145515647