Year	% of GNI
1970	2.135116303998285
1971	1.7468732307375574
1972	2.6471323636717425
1973	1.6126382074014896
1974	1.5248755909707914
1975	1.1267912511522669
1976	1.15849391810363
1977	1.1047449266713754
1978	1.4524292857402228
1979	1.7403153594973322
1980	1.949595384576111
1981	1.6762068456356571
1982	1.8150847972342838
1983	2.205132919108325
1984	3.067653429975458
1985	3.6209076195301524
1986	5.721550361255683
1987	5.3328273469250815
1988	4.958535293462311
1989	3.7879762822257237
1990	3.286831786412863
1991	3.4961476539399396
1992	5.207316779887079
1993	2.95890988669453
1994	2.5457947266152794
1995	2.5275792375944612
1996	2.5120869225106
1997	2.111746818188564
1998	1.906060183730688
1999	2.1287651877361897
2000	2.076742668001484
2001	2.3184794986678456
2002	2.107999405307049
2003	2.172487208449364
2004	4.011699402907671
2005	3.9704253391354034
2006	4.3791025212372245
2007	4.635839721042383
2008	4.26050665133145
2009	4.849832052378928
2010	4.045918745273034
2011	4.523979948059293
2012	3.28161488640447
2013	5.652388787917633
2014	3.4974925577274005
2015	3.479140741750674
2016	4.761364098915891
2017	5.9463884119793535
2018	1.637085387180744
2019	2.692892882426552
2020	4.58085841394173
2021	1.8312480575874
2022	5.653942322937641