Year	% of GNI
1976	13.1831489774745
1977	22.8097344559109
1978	19.1100985241877
1979	21.2060926161238
1980	11.5101669789639
1981	2.88786074599132
1982	4.22211951312387
1983	7.26405604789093
1984	10.5967089500682
1985	4.177499244202
1986	7.22487518247241
1987	5.51152002956638
1988	10.4436036962879
1989	2.47021966418627
1990	8.44684635894743
1991	12.1655288167771
1992	13.0740636097136
1993	18.2955465374922
1994	20.6883842074726
1995	27.5962352224154
1996	19.7024010607008
1997	8.03868953967857
1998	12.458055946236
1999	14.3520680346757
2000	28.6598725901392
2001	24.1686082813619
2002	18.0025283947292
2003	27.4125125641616
2004	26.7727150708785