Year	% of GNI
1976	15.054769348609
1977	21.193337383183
1978	13.0914538898292
1979	14.6119800186069
1980	9.38650774651954
1981	2.10427356981301
1982	6.29462845433083
1983	6.89108157621389
1984	6.15952610684363
1985	5.43660855199177
1986	12.485816372405
1987	12.4007621929542
1988	11.8874942070964
1989	12.5777908138011
1990	7.11227183646667
1991	7.95035100598387
1992	12.3966511529107
1993	14.1841378559874
1994	16.5536605512463
1995	15.2610437268428
1996	9.91896503465652
1997	11.1834453237982
1998	14.6877885467599
1999	11.884161662799
2000	10.6240466411143
2001	12.7501912817001
2002	9.78252778959991
2003	8.78879751745612
2004	8.91848393832453
2005	10.4234662514534
2006	10.846893743161
2007	6.38935775917964
2008	3.50832690677573
2009	3.52502841844152
2010	5.60988801896695
2011	5.05642733825256
2012	3.61949886094051
2013	0.782142156570894
2014	2.20267423427596
2015	2.53593184191924
2016	3.78943315794074
2017	4.54869796063401
2018	4.04390537709691
2019	6.67946418158985
2020	7.74356622135006
2021	4.33395915906003