Year	Percent of GDP
1997-01-01	-0.81
1998-01-01	-0.69
1999-01-01	-0.62
2000-01-01	-0.54
2001-01-01	-0.58
2002-01-01	-0.32
2003-01-01	-0.21
2004-01-01	0.40
2005-01-01	0.67
2006-01-01	1.25
2007-01-01	1.42
2008-01-01	1.52
2009-01-01	1.04
2010-01-01	0.42