Year	% of GNI
1974	32.279472673134
1975	32.9981165484827
1976	34.313482334074
1977	32.1176617709174
1978	31.1619531923857
1979	34.0843636470143
1980	29.3005387510997
1981	33.1860887948645
1982	32.6063335461851
1983	29.513087470689303
1984	30.081234173190072
1985	35.442128762433995
1986	39.06940772401382
1987	24.795354261098353
1988	29.109944837819327
1994	22.033404600161774
1995	19.96522935665332
1996	20.736104033914767
1997	19.357113137218295
1998	23.44007513080923
1999	21.272301476467423
2000	21.498563565224718
2001	21.98495500578854
2002	23.042099383972232
2003	21.734750934754636
2004	23.762858280443336
2005	24.679573427784646
2006	25.868812648620874
2007	24.780876020042875
2008	25.13948186215204
2009	22.593525802286475
2010	23.253126178240098
2011	24.62745989111904
2012	24.30498415573297
2013	23.847174301082344
2014	25.083204113584348
2015	25.25586831085299
2016	24.336242203097026
2017	25.58922915235503
2018	26.788335648304724
2019	25.13713253618373
2020	24.865776398023307
2021	27.297508337613927