Year	% of GNI
1976	26.53446298736562
1977	21.71056703613691
1978	20.371875397885532
1979	20.54332146368074
1980	11.835177965780595
1981	14.07979842515868
1982	16.16941940631955
1983	17.484900811500086
1984	19.05133293301784
1985	22.78406955977738
1986	30.428203548024523
1987	30.660373989505082
1988	29.94849754359448
1989	27.603243194093515
1990	27.036279669726724
1991	28.488321665787506
1992	29.902799461010353
1993	28.64783217357886
1994	26.421598651548358
1995	26.3098042533066
1996	26.8691472739416
1997	28.214063788946824
1998	27.736844453981533
1999	26.711816438911455
2000	27.93908583700152
2001	29.546225896186996
2002	28.49353374804962
2003	27.08382552011088
2004	24.178272447665826
2005	19.395381645808854
2006	21.548389583642194
2007	25.486492091526618
2008	19.703261827664488
2009	16.045682726160276
2010	14.823079355101271
2011	12.535371382670517
2012	16.57580976948239
2013	14.033218903936062
2014	12.58118703350039
2015	13.454483612613346
2016	12.82412135007441
2017	13.684616564933517
2018	14.371266369196885
2019	13.350344958429815
2020	7.710420477968947
2021	5.871659703588941
2022	5.630081911640539
2023	16.27965567082817