Year	% of GNI
1970	1.2386077633732067
1971	1.3104085120447866
1972	1.5484529358852046
1973	2.2932941558822053
1974	6.330088283363264
1975	5.562258115744855
1976	6.089831892724502
1977	6.061654085325102
1978	5.911596496292045
1979	8.93612606512521
1980	9.520597678147023
1981	6.987007606452191
1982	5.819512456270939
1983	5.698934465617233
1984	5.514914573840307
1985	5.266559967844043
1986	2.7975031755130093
1987	3.85017782747439
1988	3.37020827382313
1989	3.8016215848545123
1990	4.079235772085734
1991	2.6506601872420914
1992	2.5795138530039914
1993	2.4090207314632344
1994	2.082893324867423
1995	2.183591553338529
1996	2.354103244190591
1997	1.9843359170805968
1998	1.1875932883972342
1999	1.8747744617940652
2000	3.1312619661574908
2001	2.641178520505073
2002	2.6229224628965517
2003	2.809925705629846
2004	3.725031307157411
2005	4.564678858693742
2006	4.975664486257838
2007	4.737844770331076
2008	5.80159218282075
2009	3.09387251527583
2010	3.9147282696501358
2011	4.906711977533431
2012	3.7139658693306092
2013	3.141152066585408
2014	2.673021608958639
2015	1.447356424632431
2016	1.2522713338267493
2017	1.5597721170502852
2018	2.067473245169325
2019	1.7101182216775195
2020	1.0906424392327945
2021	2.443025732600994