Year	% of GNI
1979	44.1687734231362
1980	34.9065184223628
1981	29.262125061285
1982	50.2922134976573
1983	61.9523962786788
1984	54.5556989552417
1985	31.7362018724279
1986	30.6890379029803
1987	45.5652954146219
1988	48.0860856332839
1989	44.4647550453875
1990	47.8135614178218
1991	62.864965443075
1992	59.2747545653886
2006	0.553655204582513
2007	6.28709828131027
2008	5.10966723180991
2009	1.7589644319162
2010	9.63682904571172
2011	6.32653308011927
2012	17.2544638964718
2013	16.8222113363876
2014	32.6349956950024
2015	36.8604298839122
2016	26.124175330903
2017	36.2383293553511
2018	34.5541383508939
2019	31.7660924076116
2020	31.6961907121801