Year	% of GNI
1970	0.1184248223821958
1971	0.1349196639046045
1972	0.16528800170567198
1973	0.366147744995516
1974	2.400836153821779
1975	3.7790847669238725
1976	4.836352007516163
1977	5.087405769092539
1978	6.250104832715847
1979	10.512301643387872
1980	11.927810195447302
1981	11.55875959692354
1982	9.411632745102452
1983	7.309313101032368
1984	6.219855836143546
1985	5.848209978528503
1986	3.111981163191229
1987	3.88334269121984
1988	3.567374390297252
1989	4.26010077455562
1990	5.405459388029558
1991	3.431854882596913
1992	3.022645765658604
1993	2.483643022014656
1994	1.8007294639098528
1995	1.750248221298211
1996	1.6510165775868155
1997	1.3194295343643752
1998	0.742710130821217
1999	1.065842336309478
2000	1.8556106808334323
2001	1.6143117044950632
2002	1.2666832381362805
2003	1.295896056643932
2004	2.848398068984164
2005	3.246712338018468
2006	3.562813201552351
2007	3.9252634385084297
2008	5.690314442087001
2009	2.2946308410462333
2010	3.89428267632036
2011	4.90180082870578
2012	2.46960876307476
2013	1.8408279300162451
2014	1.413859388218327
2015	0.705545701869656
2016	0.602688601577589
2017	0.722467199027478
2018	0.8343453133504979
2019	0.722276040174109
2020	0.475068779435521
2021	1.011566517838115