Year	% of GNI
1970	0.1345722154213294
1971	0.1134973053285249
1972	0.10371412343649469
1973	0.1989176118518784
1974	0.4144491001376988
1975	0.2848939704800913
1976	0.24332659202142676
1977	0.22318677910734894
1978	0.19928032453178463
1979	0.3366133899203561
1980	0.4755859452029557
1981	0.43593003586144863
1982	0.37911387503678934
1983	0.3643432155920369
1984	0.4872494120959361
1985	0.4919130687534921
1986	0.21917000034849585
1987	0.2554383880744951
1992	2.067292194639869
1993	1.8786908732110201
1994	1.7203056803564394
1995	1.953932540765184
1996	2.1881650786542917
1997	1.8187332391515658
1998	0.5459844442889851
1999	1.576258847910144
2000	3.7389548715508667
2001	3.8781012715587893
2002	3.5939648414667826
2003	3.7767234048915634
2004	4.1462269997257994
2005	4.707323867817897
2006	5.311711580994061
2007	4.553576251066381
2008	5.548795435660544
2009	3.9726169462844028
2010	4.185461669646997
2011	5.581711327582371
2012	4.931682186883313
2013	4.426034683024171
2014	4.121428411138825
2015	2.574594225210307
2016	2.144208718987336
2017	2.784414367902053
2018	4.359215301464174
2019	3.696320514083316
2020	2.0979127738431225
2021	6.28670632294501