Year	% of GNI
1970	3.9667443859530165
1971	3.780465229332428
1972	3.7382341413401474
1973	3.701598608497315
1974	3.258532963693616
1975	3.154918824285913
1976	4.032505878948671
1977	4.813484314513237
1978	6.322904297528161
1979	7.452208620149581
1980	5.208346414115191
1981	5.434238636571176
1982	8.312088204486189
1983	7.786257198125276
1984	7.500929849670487
1985	7.667892967487533
1986	8.239088068988993
1987	6.959451764087049
1988	7.123493641161969
1989	4.9566490045709015
1990	3.8170635484599984
1991	3.7906170693231993
1992	4.140546642470271
1993	4.01642034246458
1994	3.509134220458293
1995	4.18049087305642
1996	5.182804674356467
1997	5.685382661963442
1998	5.736163804606786
1999	8.324815722120206
2000	8.236864145668472
2001	7.02110775261298
2002	6.732204398485979
2003	7.252318690175269
2004	6.549286105844337
2005	5.818716349794805
2006	5.839169927546067
2007	4.059227364337105
2008	3.491588073890618
2009	3.5039897689080153
2010	2.7582194639413844
2011	2.8305697753218317
2012	3.321275906814118
2013	3.342812445861651
2014	3.2465850504816287
2015	4.654673473974258
2016	6.268437845555979
2017	5.501219274635916
2018	5.57424875475964
2019	7.09404038646236
2020	7.6728198895068935
2021	7.374381788476695
2022	5.370465374327295