Year	% of GNI
1970	0.4444444444444444
1971	0.27524892178560606
1972	0.15471507976075471
1973	0.18774986826243656
1974	0.17049449286863905
1975	0.16851767358717656
1976	0.2285904157591626
1977	0.22375958605214877
1978	0.22063536905385836
1979	0.3209459342137504
1980	0.5182392434994803
1981	0.681603006719542
1982	1.3610151654548457
1983	1.2457214326945676
1984	1.9829475798979435
1985	2.3342061772888285
1986	2.1633762738250133
1987	1.805905458415142
1988	1.9507999051939193
1989	1.809132669017478
1990	1.9147901400261642
1991	2.046244268828818
1992	2.2217276769896315
1993	3.0338973510021976
1994	3.1090321378705075
1995	2.836742881289978
1996	3.1249131705580373
1997	3.4379523583237557
1998	3.229832391380411
1999	3.8770251626097374
2000	3.208924165180206
2001	2.690780629683408
2002	2.5151976237927016
2003	2.8390200376844295
2004	3.713749833701237
2005	4.297733181796983
2006	5.396838200937732
2007	4.019179993080897
2008	4.326724598869793
2009	5.155312320419951
2010	5.122045556506132
2011	5.0069390629146735
2012	5.039400740920829
2013	4.289021305699508
2014	4.1154900169900115
2015	4.374524101692296
2016	3.968704850466904
2017	4.1620271032985645
2018	4.634812476552173
2019	4.262819265341048
2020	3.8565381010540625
2021	3.630832470771629
2022	3.765956175968352