Year	% of GNI
1970	5.24749962568339
1971	4.54043202274258
1972	6.4881572697071
1973	7.89418483927392
1974	19.4356316545656
1975	15.7554792093777
1976	17.1097321916369
1977	17.7093590439671
1978	15.5764466877905
1979	28.6742105614086
1980	22.5353889760569
1981	18.0940104082042
1982	12.3531043285325
1983	11.7266467850841
1984	11.1605860448586
1985	10.4068623593996
1986	4.4541310995508
1987	6.57959710126094
1988	6.32584334541468
1989	9.67813260579449
1990	12.2405246697248
1991	11.4674614229983
1992	10.7628919097111
1993	9.49033316943042
1994	10.1742236255517
1995	11.8988593008492
1996	13.4083319956644
1997	12.6180559697686
1998	8.59144041870716
1999	11.3870622767542
2000	16.5509749469612
2001	14.0242839882325
2002	14.7201172874091
2003	16.1083022179234
2004	18.0106324789006
2005	22.8744560821076
2006	23.7398882280564
2007	21.7422366188737
2008	22.0312122033057
2009	15.3628762691773
2010	16.1927720686715
2011	18.2015782574725
2012	16.3096785698879
2013	14.880160593141
2014	14.1340441100446
2015	8.97535141974415
2016	7.7387610213418
2017	9.28763213557326
2018	12.5813612827782
2019	11.0477620909706
2020	7.59935248951115
2021	12.7875490238435