Year	% of GNI
1970	0.44353817252244565
1971	0.5423083795882991
1972	0.7149448728239051
1973	1.0636179160835593
1974	4.193821042232222
1975	3.869674721268786
1976	4.508054697611818
1977	4.5406265507582795
1978	4.455558273450939
1979	6.716613388983495
1980	7.167020409673835
1981	5.330523411723547
1982	4.401842635131359
1983	4.345471893176781
1984	4.503824972622947
1985	4.464588707510167
1986	2.0740666756631887
1987	2.8487554047742316
1988	2.177500244434067
1989	2.7154036320275967
1990	3.2075485653050992
1991	1.88565179579821
1992	1.8078474248862868
1993	1.8817776613005384
1994	1.6552847967839075
1995	1.6397072637352124
1996	1.816017931385659
1997	1.530854638484818
1998	0.8918859164685751
1999	1.4907365881718122
2000	2.5963594967908836
2001	2.154602931527894
2002	2.101901058363448
2003	2.208593417896571
2004	3.0572548631949457
2005	3.731463245654345
2006	3.8235164422907326
2007	3.381241499208848
2008	4.610858867246317
2009	2.3126432950932174
2010	2.831139381249277
2011	3.612390540268768
2012	2.9257453682287053
2013	2.410541750025355
2014	2.0603250626971765
2015	1.0283047982143927
2016	0.8497115256241472
2017	1.1042439265070867
2018	1.4967783202581704
2019	1.2154456820385067
2020	0.6961317125220146
2021	1.320918998078478