Year	% of GNI
1970	1.232775337831828
1971	1.2410461353336781
1972	1.1027473805793693
1973	1.0209810876675691
1974	3.0408485724263414
1975	4.65561185620037
1976	6.898233278417489
1977	9.504908848655077
1978	11.744987199035116
1979	24.3901894413521
1980	27.608569576622298
1981	23.27967262812104
1982	17.629226658268284
1983	16.740697683405514
1984	17.351732302790253
1985	16.489510471566504
1986	7.225068164600287
1987	10.108149686786895
1988	9.459278573853142
1989	11.795335219718202
1990	15.11748587544187
1991	10.463489630540971
1992	9.884957347673637
1993	8.778689859025151
1994	6.930324254790939
1995	6.735843579787832
1996	7.398611227487716
1997	5.405289580243108
1998	3.2544076313495793
1999	4.555250631109565
2000	5.461740513185211
2001	4.514950251243585
2002	5.224036335583271
2003	6.687812011696017
2004	8.181060215795954
2005	10.252091303597462
2006	10.480607160414277
2007	9.340977561927618
2008	11.040813780722987
2009	6.28873312266981
2010	6.6586790225326755
2011	8.83004471964362
2012	7.789720654196462
2013	7.133676926322693
2014	6.276054656961622
2015	3.030027406739912
2016	2.32719886805426
2017	4.181780997112207
2018	5.583954475363513
2019	4.288179444598962
2020	2.29861440741765
2021	3.6813239563663647