Year	% of GNI
1976	30.1534837490285
1977	24.8208958504496
1978	10.6805617106271
1979	14.0855430858771
1980	5.5421612584891
1981	-1.13795305420619
1982	4.67657896380736
1983	6.92086738299604
1984	4.22244680994017
1985	1.62705795323293
1986	-4.71057867794525
1987	-1.45855480425268
1988	-8.65125459768851
1989	0.50519618887918
1990	4.64056607010685
1993	16.2638280230227
1994	16.5329906471427
1995	15.9721340705092
1996	22.4366700971019
1997	19.1879703605267
1998	12.5998411308635
1999	20.8894240612161
2000	22.6878850301263