Year	% of GNI
1977	33.13954348430799
1978	33.63541249047218
1979	33.157396194069904
1980	33.37356113099348
1981	34.056114471352565
1982	33.162726984383454
1983	32.4306254604694
1984	34.21847367390862
1985	34.617407883232985
1986	34.22891586579237
1987	33.88762989897088
1988	35.31803827585434
1989	35.497828166215086
1990	35.45717978992859
1991	33.492991809815535
1992	31.63252302522656
1993	31.9150817276892
1994	32.052110449328715
1995	32.092422367147805
1996	31.33671521617054
1997	32.05864178355903
1998	32.74475111110318
1999	32.61527283088696
2000	35.31902628053391
2001	33.204169128854254
2002	31.812133535385733
2003	34.24019430866838
2004	34.5656088491674
2005	35.81558547638975
2006	37.900863201674284
2007	35.61891593510133
2008	30.782828760304675
2009	34.1071103541167
2010	37.41026167887273
2011	35.06751293442232
2012	35.63027763141172
2013	34.9962689152305
2014	33.45785869487743
2015	34.4832746535874
2016	33.8500520914583
2017	32.268130795727025
2018	32.56408709899621
2019	32.21344309946369
2020	31.449988008900956
2021	35.81883668697833
2022	35.49854376765155
2023	33.27806644245956