Year	% of GNI
1970	11.7477980031085
1971	11.4234193342581
1972	11.5889874388904
1973	11.2085590425576
1974	11.3875337457668
1975	11.9559379952263
1976	12.2395720270759
1977	12.7827175012671
1978	12.9231945680639
1979	12.9224280194036
1980	12.3054623962768
1981	12.4283536074068
1982	14.5235362129785
1983	17.9588280310837
1984	16.7475293217501
1985	16.3821741951759
1986	20.1986625250182
1987	19.0480388720075
1988	17.3290881327466
1989	15.1507625446911
1990	13.8274138017487
1991	13.3574088688264
1992	13.2806357237051
1993	12.3357561466679
1994	12.3539458330812
1995	15.7050965836192
1996	15.0066495523143
1997	13.8905143612516
1998	14.0509659407404
1999	13.638979597824
2000	13.303402996405
2001	13.5845930978876
2002	13.8974838024842
2003	14.8544374990799
2004	14.7766695841397
2005	14.7213758639847
2006	14.5065750933756
2007	14.6104489308857
2008	15.0560117991382
2009	16.8499366924355
2010	15.9997180923061
2011	15.9079675823691
2012	16.1735097984378
2013	16.2445487683883
2014	15.9674419264417
2015	16.8056391386995
2016	17.4809146454739
2017	17.6418743965908
2018	17.8855958201695
2019	18.0216874544347
2020	20.3288071616013
2021	20.5760325782644