Year	% of GNI
1970	28.1587174061356
1971	38.4249549765429
1972	44.8936898092468
1973	54.0335607493696
1974	60.1860419921185
1975	49.4839949821034
1976	48.4865383734182
1977	39.8923089145216
1978	39.2915112340483
1979	65.7769530457919
1980	43.8387547509672
1981	29.4204926864913
1982	19.9130469747787
1983	19.5292306392748
1984	28.0138947721198
1985	16.6727021099899
1986	10.2602514841525
1987	12.2856741645774
1988	12.6803441937881
1989	20.0096588472398
1990	33.9830493031687
1991	18.7218105963561
1992	19.2067744238914
1993	18.7214680266445
1994	18.8517600556624
1995	17.6943377140276
1996	26.0022198190002
1997	14.8963950730228
1998	12.540667145489
1999	15.6548059905984
2000	18.1043975886038
2001	15.2856763112241
2002	9.33589638363564
2003	10.7026374944669
2004	12.1639481506287
2005	14.3073098505915
2006	12.2009971072959
2007	11.8554055228461
2008	14.0099184191414
2009	10.923624188917
2010	14.0714714467022
2011	16.3877952773794
2012	15.3402771581692
2013	13.6418454212956
2014	11.2353705876425
2015	7.04835615803389
2016	5.89659334848897
2017	6.90375115724273
2018	8.68050113455019
2019	7.81001689751393
2020	6.31442665462309
2021	8.75265585786877