Year	% of GDP
1977	-2.1667067649497462
1978	-0.6878557737855445
1979	9.021437258865756
1980	1.9207772343125997
1981	-1.9847660629156085
1982	-1.5332295228300576
1983	-4.798377998188591
1984	-4.53634504231637
1985	-5.837154488729948
1986	-3.7914106751403445
1987	-2.623233123247001
1988	-1.4238385597479883
1989	12.405875252555848
1990	14.317603327100164
1991	5.382906882695048
1992	0.414982657643355
1993	-1.4821886897415137
1994	-7.814645693250951
1995	2.30768422435308
1996	0.29007450166966536
1997	3.1781632551782604
1998	0.3815577068078194
1999	1.2662313879271192
2000	5.602772646726869
2001	6.033495618105807
2002	6.966834855029763
2003	3.445093528635785
2004	2.3577995265575336
2005	1.0360731739374605
2006	2.725188889738439
2007	1.135728010411471
2008	0.8979656009111485
2009	-1.9025914497710228
2010	-0.5984419255057888