Year	Percent of GDP
1998-01-01	4.90
1999-01-01	2.92
2000-01-01	4.16
2001-01-01	4.40
2002-01-01	3.32
2003-01-01	3.31
2004-01-01	3.22
2005-01-01	3.19
2006-01-01	2.54
2007-01-01	2.07
2008-01-01	2.47
2009-01-01	2.87
2010-01-01	2.15
2011-01-01	2.42
2012-01-01	2.57
2013-01-01	2.43