Year	% of GNI
1979	6.363467889442398
1980	8.655626318045297
1981	9.348071191713599
1982	7.804693974881403
1983	5.300033892919297
1984	7.654317059755525
1985	9.021757305810146
1986	6.62874661541884
1987	8.327318657687963
1988	7.710477346240676
1989	15.0888805179381
1990	6.371740788772788
1991	7.033138111788244
1992	7.06420891279231
1993	8.894938032693132
1994	9.511151632717128
1995	7.418116717980167
1996	8.061115641886246
1997	8.309745779127697
1998	7.842616357069116
1999	6.416872421123665
2000	6.52907344957716
2001	6.3451870525115055
2002	6.549417722159141
2003	6.047983890104334
2004	7.593471528040326
2005	7.16987733394618
2006	8.8533629513294
2007	9.501568985044353
2008	9.099427384989877
2009	6.776977389961163
2010	7.547587791075104
2011	5.964034638850798
2012	4.43391278482012
2013	3.721447054350883
2014	2.468863997365543
2015	4.358228391136424
2016	3.750795580759652
2017	3.9633971513981354
2018	3.127667478975211
2019	3.6928363360534844
2020	5.03155813008366
2021	4.069292621239954