Year	% of GNI
1970	3.199791382786757
1971	3.0336381467963744
1972	3.2653621136803874
1973	3.0298930219256435
1974	3.0192074704636447
1975	5.024489594462085
1976	5.227148955917368
1977	4.763070929274378
1978	5.865617434035088
1979	4.777771262345337
1980	4.419884683980366
1981	4.840800425981784
1982	5.094325886745197
1983	5.176468417238529
1984	4.677656961165529
1985	5.390033560396799
1986	6.2627561967603675
1987	7.481836059476321
1988	7.0123307063350415
1989	6.09844557229265
1990	4.82495604505604
1991	4.719256633690442
1992	4.679626740510896
1993	3.951919433036976
1994	3.569510015434523
1995	3.515388067142098
1996	3.408112714986835
1997	3.5630541913413203
1998	3.769311160780517
1999	4.946617873726298
2000	4.940611777117663
2001	4.809524010433643
2002	4.360680660708339
2003	3.2650686241640194
2004	3.8036949911325926
2005	1.8304250906496917
2006	3.425922238663661
2007	2.7253045531774553
2008	3.132170416496738
2009	3.4223205557449297
2010	2.427395516843688
2011	1.959691250360247
2012	3.0706464522288686
2013	2.8466487334885597
2014	7.999754475155117
2015	4.271842153094515
2016	3.872216518021433
2017	4.574303388707652
2018	8.030226519203
2019	7.2106598120662655
2020	6.154631906171504
2021	5.483486532258976
2022	4.345781668918396