Year	% of GNI
1970	12.0748576864302
1971	10.626134800633
1972	5.64651204549892
1973	4.68989883981091
1974	3.00662511346488
1975	4.88479777164198
1976	6.86426811757993
1977	5.29506273110641
1978	0
1979	1.59785733936479
1980	1.46476843964495
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	9.35630193149095
1989	11.8840067284589
1990	1.77976134161526
1991	7.08146687929069
1992	3.71939057697391
1993	2.09292100837635
1994	3.13145257722987
1995	6.75242124083611
1996	5.18361314415795
1997	5.6160759288673
1998	0.254711263172931
1999	1.12654125291837
2000	8.5363316365065