Year	% of GNI
1970	2.3823513665729132
1971	1.9549558488627246
1972	2.203103597956918
1973	2.2470667500699006
1974	2.0297916275808747
1975	1.9937316279253294
1976	2.399308161430446
1978	3.7833818399083556
1979	4.557875848292102
1980	4.079699634325866
1981	4.222584122691832
1982	5.117048474037912
1983	4.944997500864312
1984	5.10531440308238
1985	5.012971704559219
1986	5.102317743568882
1987	5.1409799907272165
1988	5.609847688947235
1989	5.460326448715083
1990	4.866519676261838
1991	5.202849405587293
1992	5.29649616611565
1993	4.922758899206008
1994	4.378586236830549
1995	5.277821935823624
1996	5.930642403743878
1997	5.8647826712429145
1998	5.296791895577013
1999	5.628327579002529
2000	6.081985072067064
2001	5.55713435292184
2002	5.402954411213047
2003	5.387859321416457
2004	4.9435538783994435
2005	4.479879657215211
2006	4.745813087060253
2007	3.8218127657056518
2008	3.470886993631555
2009	3.394921731168819
2010	3.010088236103732
2011	2.894632417889045
2012	3.257644912097738
2013	3.237957909806792
2014	3.9265930393554633
2015	3.713686733394367
2016	4.590915360319275
2017	4.169552473955212
2018	4.287203176853993
2019	4.629456534979017
2020	4.972791978890094
2021	4.169286652117581
2022	3.751926107727652