Year	% of GNI
1970	10.94571277915903
1971	10.720977665324508
1972	10.749773013479507
1973	10.39090345493177
1974	10.336219083666508
1975	10.702715081600083
1976	10.661699268815678
1977	10.671547823188268
1978	10.800706394540475
1979	10.960170192824762
1980	10.886151784683367
1981	11.158301221741414
1982	11.968356497728582
1983	11.885765875659867
1984	11.561862776241226
1985	12.086833369010709
1986	12.336855117301154
1987	12.00094434694533
1988	12.020595091631371
1989	12.123457472776165
1990	12.41031853082271
1991	11.749097472057098
1992	11.6010009304264
1993	11.497954159800074
1994	11.536575858467318
1995	12.051456057354851
1996	11.417268516132436
1997	11.815946417145401
1998	12.557903104062481
1999	13.019335190750278
2000	12.900286779621045
2001	13.06709071692715
2002	13.31989589392469
2003	13.762106604903723
2004	13.5710443459107
2005	13.427847709982398
2006	13.03614827921725
2007	12.92778804643716
2008	13.335373905172691
2009	15.060837632159815
2010	15.343367205186729
2011	15.87653875049663
2012	16.907988017669076
2013	16.84075139649919
2014	16.92639450081124
2015	17.090092684295197
2016	17.462218301179707
2017	16.796196039603043
2018	16.636881639790875
2019	16.711167629807864
2020	16.880288172927365
2021	16.692455381351916