Year	% of GNI
1980	13.896238550310521
1981	13.875469294812786
1982	14.819480501596296
1983	14.607453594801386
1984	14.619353397395722
1985	14.910909831674136
1986	14.0021728716349
1987	14.46446190231068
1988	14.943235868421667
1989	14.888724584221448
1990	18.04499364886988
1991	8.39118585351809
1992	9.539083817351946
1993	9.70110660068235
1994	10.444632930627115
1995	11.17560053041513
1996	11.661366002115425
1997	12.14118968185177
1998	11.451361304186358
1999	10.76602574228014
2000	11.089853656532895
2001	11.596299929123566
2002	11.288517276537624
2003	10.772925996938922
2004	10.77797815005641
2005	10.609574315844736
2006	10.276390689784895
2007	10.140736718335951
2008	9.170362047824872
2009	9.114000879433858
2010	9.940430989161781
2011	10.495461551198094
2012	10.72916140241864
2013	10.476707855930549
2014	10.292133936812261
2015	10.00578912648417
2016	9.798724587744294
2017	9.87882453267099
2018	10.026033239775657
2019	10.109067785606836
2020	10.323906393366697
2021	10.152232495938652