Year	% of GNI
1981	14.6721585582543
1982	9.63748495441021
1983	19.8124182143512
1984	18.9578593097046
1985	19.3228230257067
1986	16.7036078501349
1987	20.0639244955382
1988	19.5131059510794
1989	22.2548050209419
1990	18.3496331079959
1991	17.9259916829423
1992	19.2143458764803
1993	24.9412377105175
1994	25.5505788535343
1995	23.8330403421967
1996	23.4298241259901
1997	24.7483930844569
1998	18.4570146277596
1999	8.87257806586879
2000	22.7712226450404
2001	9.09844908224917
2002	4.75152679288361
2003	2.32177918131103
2004	2.36980356576358
2005	6.28707023023595
2006	7.7644347121706
2007	7.12870502668883
2008	10.5046634621786
2009	11.1165020036484
2010	14.8729326973449
2011	15.4772997487841
2012	13.8770324108916
2013	13.1279519825884
2014	12.5165057527763
2015	12.5264478772311
2016	13.9547885524395
2017	13.4155242328716
2018	13.2042908050558
2019	11.2341699609674
2020	9.75772083091041
2021	13.6651544543616