Year	% of GNI
1978	3.81883891434934
1979	11.5315506032535
1980	16.6379602113585
1981	24.7092347400363
1982	20.4777777508917
1983	10.734246351131
1984	12.0657243652206
1985	20.5788300146509
1986	25.4376031617187
1987	37.2567593633158
1988	29.5332364130986
1989	18.5578722932197
1990	23.7655355225239
1991	9.01400879275241
1992	12.016610822769
1993	-0.162257898249416
1994	-2.3971018405266
1995	9.6415887186341
1996	-3.37565611151387
1997	7.76854615497474
2003	10.2725280717372
2004	6.18256149096271
2005	3.66176538540188
2006	12.033234361086
2007	9.44251174290604
2008	0.326644984697642
2009	5.41233831094434
2010	-0.360181384466511
2011	6.43203634069041
2012	16.0538207001028
2013	5.71093259357239
2014	11.6850954371854
2015	19.356543854313
2016	20.2932468184626
2017	19.0414922105938
2018	15.955099008053
2019	18.2555926844565
2020	26.8223802684297
2021	36.6199602764603