Year	% of GDP
1990	1.262355161356409
1991	-2.2415201269941556
1992	-1.5443499587960787
1993	-2.161612582175337
1994	-2.6899906704232803
1995	-0.3248655508866899
1996	1.8537965311923563
1997	-0.7922618061312583
1998	-0.2127244500262945
1999	-0.15728657093106518
2000	4.672983835848182
2001	-4.22513638068115
2002	0.3041386222241963
2003	4.419080987252597
2004	5.795381721581544
2005	-8.769053203218077
2006	-1.3556937452878217
2007	1.8284921460377426
2008	-0.658286162407348
2009	-0.5130916887877826
2010	2.324635042413011
2011	0.38955418866788494