Year	% of GNI
1970	1.7161194658404433
1971	1.7444391664229757
1972	1.8842167219546686
1973	2.0182174010002543
1974	1.9267374363587215
1975	1.8729065516244825
1976	2.1956145636377173
1977	3.2748682588950464
1978	4.556823241286908
1979	5.796827695837459
1980	3.892487140573172
1981	3.4637747839253716
1982	5.125173762197706
1983	4.944181259834762
1984	4.732950386571964
1985	5.223654844560498
1986	5.62194850893433
1987	5.198093052072578
1988	5.003479767256066
1989	3.3892511896486006
1990	3.0948770770055054
1991	2.768646502030144
1992	3.068920712615276
1993	2.2787904110758377
1994	2.1967836787739397
1995	2.7414359199870177
1996	3.267242819025009
1997	3.27889226664363
1998	2.9067663127022434
1999	3.6320974496694927
2000	3.595760041899197
2001	3.4462982349197713
2002	3.742995313504955
2003	3.986189811007321
2004	3.3889135687834684
2005	2.6959805178064102
2006	3.2706923778980284
2007	2.156282280465846
2008	1.7849595798256057
2009	1.6482525144844722
2010	1.3321810798052458
2011	1.3001870467129757
2012	1.4161962605729344
2013	1.356251055424267
2014	1.203859274817667
2015	1.9271286590787595
2016	2.3678834046031247
2017	2.5848638559565713
2018	2.5482175111220147
2019	3.0674383656959847
2020	2.8741161202606116
2021	2.6013106303082063
2022	1.785631517272946