Year	% of GNI
1986	10.151451893149767
1987	4.417953225550951
1988	3.328106182052421
1989	3.5557397014560674
1990	3.9601652409861243
1991	2.8890374746884206
1992	3.159133406758284
1993	2.3334767222091957
1994	1.4896272176510081
1995	1.9762923071866783
1996	1.433850179610986
1997	1.66174039821275
1998	0.678404591373222
1999	-0.4392272976742002