Year	% of GNI
1976	21.331666427678
1977	30.6297622731515
1978	27.2208306899589
1979	29.1037381920349
1980	19.710772533148
1981	11.8627226386166
1982	12.4146073357776
1983	15.1359600801824
1984	18.4700690514946
1985	12.8128524742425
1986	15.8704136944972
1987	14.1985149025386
1988	19.0612673397599
1989	11.4248939018804
1990	17.805201812492
1991	21.8362368488654
1992	22.8179291846601
1993	27.908952313411
1994	30.2967952188689
1995	37.2889200005938
1996	28.782729745789
1997	15.8734914164488
1998	19.7964537779872
1999	20.5663462248546
2000	34.6292824455904
2001	30.8460911486121
2002	24.8088505704426
2003	34.4166711056456
2004	33.5683651479054