Year	% of GNI
1977	23.112213734950345
1978	22.87802705420524
1982	8.113379453606925
1983	13.26128713514901
1984	7.385320109122756
1985	3.872334595699289
1986	5.407006742897596
1987	10.860728079922202
1988	13.452581855975534
1989	9.209555078470931
1990	2.34624487920018
1991	7.310971890079291
1992	6.894442709291161
1993	4.785494724194591
1994	13.495069300748396