Year	% of GNI
1977	7.838646982174992
1978	6.9093323640898054
1979	7.577204746902872
1980	1.6005756684311807
1981	8.099343936520699
1982	0.9803774529270713
1983	7.5046870163867485
1984	7.171916563538688
1985	11.567972449500731
1986	8.727350617983793
1987	8.505318293003583
1988	10.802629091856277
1989	12.210372636528335
1990	11.051763118308832
1991	9.654155462694387
1992	9.94959352379996
1993	12.710650868920895
1994	15.470102608518875