Year	% of GNI
1977	26.135644573680583
1978	17.655213947436355
1979	24.000906063721306
1980	19.943123219270376
1981	15.31961192648443
1982	18.209423722643262
1983	14.502615344819294
1984	16.3015960094499
1985	14.712240784690946
1986	13.612981732170729
1987	5.046464856169554
1988	2.7917067427588678
1989	9.026765631404214
1990	9.112134498077847
1991	2.7683568129029354
1992	5.4569117320795915
1993	8.64872186269983
1994	19.302586255315454
1995	21.649934558476254
1996	16.11474338046013
1997	13.167476384139759
1998	15.449425141849218
1999	13.24492976453492
2000	19.40543285869823
2001	22.755128118980423
2002	24.063484317561322
2003	22.850886029486734
2004	21.170473570916048
2005	20.76908888905026
2006	21.620414142293768
2007	18.57044968784061
2008	14.55289054228321
2009	12.953757162310561
2010	16.940528759998454