Year	% of GNI
1970	0.8602130384247667
1971	0.893090221626405
1972	0.7868564657480323
1973	1.031458287531242
1974	4.639994944709435
1975	4.545910425767703
1976	2.532544600464672
1977	3.973715862379223
1978	3.2195296376806803
1979	7.466656122753912
1980	7.558718276132054
1981	6.091595096570141
1982	4.980105856950091
1983	5.159319468869839
1984	6.125365503363223
1985	5.723919342937308
1986	2.7880438641491327
1987	3.2502483870763865
1988	2.6168406970075564
1989	3.5445802578666816
1990	3.247834356163162
1991	3.9503251933026906
1992	3.5455747911353903
1993	3.1731078386928275
1994	2.5431259354382343
1995	2.311100674726815
1996	2.6385729547472607
1997	2.1560192752960066
1998	1.5103517886304814
1999	1.9514164145218935
2000	2.8860912701092443
2001	2.0662533087152064
2002	2.045280234976825
2003	1.6163011915674481
2004	1.9401478288159988
2005	3.018777972061601
2006	3.25950280642248
2007	4.887305753314504
2008	7.794002691832933
2009	5.711872806606913
2010	4.677280021337745
2011	4.669750535991013
2012	4.923426048348453
2013	4.013804136042133
2014	3.324768689482713
2015	1.885990386015527
2016	1.509689479438192
2017	1.614708991896413
2018	1.7845761583970992
2019	1.41580654834161
2020	0.92589081537846
2021	1.383147006136097