Year	% of GNI
1975	20.255091742262266
1976	21.669242662831532
1977	22.235374317039586
1978	22.783515700383624
1979	29.80395243542286
1980	28.70012054240171
1981	27.873963494536525
1982	26.641232284856116
1983	29.919105456789737
1984	27.919613841368168
1985	35.50027155572527
1986	39.3719903657944
1987	43.98746264111737
1988	53.382452548956834
1989	51.97174352987673
1990	42.8440147828491
1991	44.29015168854042
1992	40.30606566499722
1993	40.8555443918301
1994	30.952733272707405
1995	29.208478348003414
1996	38.946479860965766
1997	38.60514400622604
1998	39.54008351588729
1999	41.684406701996586
2000	41.996554278781836
2001	44.50490101388483
2002	36.06413311884511
2003	39.43583482540831
2004	38.382145472454525
2005	44.15148532545955
2006	43.79719293158822
2007	46.11496903872031
2008	39.03277565891021
2009	27.668464202790958
2010	33.32927003159012
2011	38.85822662988571
2012	36.205036165530686
2013	31.351632109485067
2014	37.58865865702121
2015	32.394002299780226
2016	32.945152250867835
2017	33.651666023876956
2018	29.580729194404167
2019	27.406772336763183
2020	24.110258225352137
2021	31.197775389244505
2022	34.525206027949885