Year	Percent of GDP
1981-01-01	3.82
1982-01-01	1.30
1983-01-01	4.03
1984-01-01	4.27
1985-01-01	4.96
1986-01-01	-6.03
1987-01-01	-4.38
1988-01-01	-3.75
1989-01-01	-0.32
1990-01-01	2.10
1991-01-01	3.79
1992-01-01	3.43
1993-01-01	3.16
1994-01-01	2.96
1995-01-01	3.44
1996-01-01	6.84
1997-01-01	6.24
1998-01-01	-0.16
1999-01-01	5.19
2000-01-01	14.51
2001-01-01	15.94
2002-01-01	12.23
2003-01-01	12.11
2004-01-01	12.21
2005-01-01	16.17
2006-01-01	16.15
2007-01-01	12.20
2008-01-01	15.70
2009-01-01	11.67
2010-01-01	11.50
2011-01-01	13.41
2012-01-01	14.27
2013-01-01	11.01