Year	% of GNI
1970	1.6698104383426546
1971	2.104027467340505
1972	1.958021473618939
1973	2.4957987670957578
1974	1.9220121505895602
1975	1.3190315705693259
1976	1.774338452368748
1977	1.8839781264477404
1978	2.9544775676853665
1979	8.191080723740066
1980	5.885544762695865
1981	6.674218305276194
1982	11.369937120594958
1983	4.936265125385895
1984	7.136184475536029
1985	6.877466169199309
1986	8.130731481076483
1987	6.558588127029706
1988	9.025959608598937
1989	8.273500814433254
1990	7.781389784736399
1991	7.011212899371564
1992	5.73614214453214
1993	5.082626019315846
1994	4.582505227228928
1995	6.931382863841162
1996	6.241823904950131
1997	8.112934956187203
1998	7.359468528357558
1999	12.902404957880378
2000	19.452204554069702
2001	10.251148047479303
2002	10.256723414061662
2003	8.492019399035424
2004	11.970563571467782
2005	11.273361438339478
2006	10.152246651762011
2007	8.18967593120396
2008	4.224033524205658
2009	13.42159132812574
2010	2.600980757778919
2011	3.0926094651968605
2012	3.0528978396473225
2013	3.3017098179792876
2014	3.974041236851364
2015	5.339022979694723
2016	5.61398633658344
2017	6.478284864682754
2018	8.738548731650356
2019	8.977901166457332
2020	10.04230526803259
2021	6.2375549706175875
2022	4.557309382468107