Year	% of GNI
1986	15.389039050941381
1987	15.027302191585473
1988	15.236434399967226
1989	15.381894107093617
1990	16.762091561537144
1991	16.92847557368918
1992	15.24496589182064
1993	14.724322270706276
1994	22.20069526135314
1995	20.655214228592694
1996	19.670365836497496
1997	20.281915854141566
1998	19.27189606329353
1999	18.278362824456792
2000	22.197549314911033
2001	20.175068993840092
2002	19.59773599116905
2003	21.07784235693627
2004	20.71396216729095
2005	13.65935691407347
2006	10.693542780746816
2007	11.12723513732331