Year	% of GNI
1975	14.5525916794286
1976	8.83308589316245
1977	11.5241124313621
1978	5.42079678605238
1979	8.28444020253961
1980	6.35102882587298
1981	5.72084426910116
1982	5.56941061860692
1983	4.29513924182283
1984	6.81955229401676
1985	8.17829476366679
1986	7.08968292985199
1987	7.78259455645828
1988	10.2219561884923
1989	11.6670828023008
1990	10.7382899840138
1991	12.092066575064
1992	7.05182287755409
1993	13.0865758934094
1994	19.4773536589264
1995	17.995213168883
1996	18.4761473076185
1997	10.6171656979695
1998	18.4066762573353
1999	9.56498677743293
2000	15.7293225127546
2001	21.5304455991013
2002	19.1561507193855
2003	21.6243702883401
2004	23.3938017561014
2005	19.4444714482516
2006	17.9019498458199
2007	6.78201216421352
2008	4.35888718374445
2009	11.0764828185353
2010	4.95311811628237
2011	4.00620801316287
2012	5.54946111957364
2013	15.6304022138446
2014	19.272664901697
2015	21.8873183159631
2016	19.6635906045803
2017	17.7626090467593
2018	21.924661614365
2019	19.4058381606477
2020	28.079773118334
2021	22.3019701606234