Year	% of GNI
1971	0
1972	0
1973	0
1974	1.31210023302062
1975	1.2589125091874
1976	0.381399868102878
1977	1.01258838292575
1978	0.111543460909917
1979	0.100849155808879
1980	0.165130206518425
1981	0.323157689111724
1982	0.116978135721671
1983	0.135145028757901
1984	0.076114062678283
1985	0.126728231822484
1986	0.03084846954905144
1987	0.000235145689175036
1988	0.000308392742556745
1989	0.000727419160558382
1990	0.000734903500766712
1991	0.000350169089968911
1992	0.000316935738764016
1993	0.000673439986880631
1994	0.00263170922205459
1995	0.00362739822146671
1996	0.0051877729412373
1997	0.018337524763372182
1998	0.013123395044974069
1999	0.00900423413734725
2000	0.014771064613716002
2001	0.01197084812198928
2002	0.020125148988793085
2003	0.005979868034274991
2004	0.024723062886859784
2005	0.04334309756059198
2006	0.04084986142372762
2007	0.06114713569548244
2008	0.18524498623941676
2009	0.49918721497396246
2010	0.38495416186367537
2011	0.5667161434731596
2012	1.579502213307415
2013	0.6278848864658535
2014	0.40066726752405146
2015	0.46070932705015194
2016	0.9611778915660404
2017	0.46021400710687177
2018	0.8734961569948287
2019	0.9812425491561114
2020	0.9607842512740538
2021	2.2937773372390415