Year	% of GNI
1970	5.864068206756523
1971	6.186655321624828
1972	6.451230809865652
1973	6.774889845686388
1974	6.86108800208303
1975	7.628574446282405
1976	7.537943100238128
1977	7.621685501670523
1978	7.824774751044665
1979	8.195069792236895
1980	8.158746463135262
1981	8.045673300330389
1982	7.769701176557602
1983	7.779522995018633
1984	8.291141858761177
1986	7.816910954287066
1987	8.172932963255242
1988	7.6934974881514275
1989	8.115809649253887
1990	8.616488620667123
1991	8.690208647910508
1992	8.697840322219331
1993	8.995755628126606
1994	9.083473566005232
1995	9.172473730004128
1996	9.64493430879521
1997	9.669615732249238
1998	9.40548707412344
1999	9.59491532945847
2000	10.236132916813247
2001	9.90868978531078
2002	9.942668961773215
2003	9.875478459991626
2004	10.060697367801254
2005	9.902488110049164
2006	9.71582422059818
2007	9.71293322691491
2008	8.335228691364577
2009	8.590506374145798
2010	9.65937933785833
2011	9.7286695752395
2012	9.6964848041304
2013	9.77938082849488
2014	9.566678972429068
2015	9.659938342535808
2016	9.5113486224696
2017	9.509757290232967
2018	9.614718111905526
2019	10.038928739575852
2020	10.679104963744056
2021	10.883270808392774