Year	% of GNI
1960	1.5661775000684588
1961	2.0664414843997436
1962	1.5334463722625948
1963	1.810984703528298
1964	2.380000008477111
1965	2.35495915170899
1966	1.8205631101574198
1967	1.5236609398254515
1968	2.600609157183662
1969	1.9094546756703052
1970	1.9902912022249146
1971	1.66171263568552
1972	2.1057478351488945
1973	1.5872663799636393
1974	1.909892262487757
1975	3.4365297779100636
1976	2.313953607631512
1977	2.0212433292560306
1978	1.6682524349807784
1979	2.062494485966825
1980	2.279798982205544
1981	2.2626432722855765
1982	3.0155453140508492
1983	3.399728222849573
1984	4.548499777953493
1985	4.677631875260157
1986	4.892252519342202
1987	4.230288984616501
1988	5.1851494933614966
1989	4.724586763792876
1990	8.84597694345254
1991	6.8609745598725995
1992	6.831726018178968
1993	6.138436648705026
1994	5.787584163347444
1995	7.370474042217811
1996	4.817177235337954
1997	4.988351848270186
1998	4.6050742527149255
1999	12.112726577262855
2000	5.741744458406864
2001	7.605424101504768
2002	5.054208609284213
2003	4.03445492747322
2004	6.412677729038305
2005	6.982352700340254
2006	4.990158501123934
2007	3.034631616863111
2008	3.0501734593167282
2009	2.5808032124480453
2010	3.1137333195570096
2011	2.142382155608698
2012	3.2828367471232496
2013	3.6396200968349577
2014	3.3369256944506964
2015	2.7652847584678057
2016	2.0417331352470782
2017	2.0360691894564313
2018	2.9988379301477677
2019	1.9750833739021227
2020	5.454519505557383
2021	2.395325914794783
2022	2.712007502839311