Year	% of GDP
1977	-3.0491855899289235
1978	-4.168877885264072
1979	-0.1544655596865957
1980	1.1912818950672779
1981	2.673487279560212
1982	2.2202560973623826
1983	4.562028385026603
1984	0.9842067142918689
1985	-8.444799517647716
1986	-5.560097487243598
1987	-2.194483605096638
1988	1.720419050639068
1989	-3.5766102024561484
1990	-2.6237898920635856
1991	-3.4933196996720137
1992	-4.553415110801412
1993	-7.971270332435658
1994	-3.199137400229726