Year	% of GNI
1970	0.43201367823962344
1971	0.2685144978961928
1972	0.3443933563483628
1973	0.838358874985796
1974	0.8344242405905727
1975	3.074735407418091
1976	4.637950939796181
1977	3.7540119387370376
1978	4.219234536988421
1979	6.039533353153033
1980	7.807548145195888
1981	8.933060874044054
1982	10.472320950872875
1983	11.090097665098726
1984	13.231038931398324
1985	16.04385217806444
1986	23.58633292303431
1987	17.293918656071288
1988	14.590971926782123
1989	14.734599684267536
1990	15.401224609942432
1991	25.3136900667645
1992	24.97244834432579
1993	30.580557873489557
1994	30.33339942959038
1995	27.42772259322966
1996	21.287968155719796
1997	18.496882191226497
1998	17.073026155724612
1999	20.024057408858443
2000	10.233842643239063
2001	11.012899257936484
2002	10.88694643341771
2003	11.417398185902405
2004	10.026698180029248
2005	9.279900215656522
2006	9.839025293026268
2007	4.815668611281884
2008	5.343973806493456
2009	5.4865434824679715
2010	6.133117958404395
2011	6.503024576009114
2012	8.992475037422356
2013	7.643618816923039
2014	6.79588172827788
2015	4.834640591311205
2016	2.4143242064564214
2017	4.983740864452783
2018	4.5667913119444385
2019	7.129302351842851
2020	8.758614452573164
2021	4.875213285188848
2022	7.076549157635645