Year	Percent of GDP
1998-01-01	3.06
1999-01-01	1.93
2000-01-01	1.69
2001-01-01	1.30
2002-01-01	2.41
2003-01-01	2.59
2004-01-01	3.53
2005-01-01	5.79
2006-01-01	8.42
2007-01-01	9.94
2008-01-01	9.15
2009-01-01	4.76
2010-01-01	3.90
2011-01-01	1.80
2012-01-01	2.26