Year	% of GNI
1970	1.0414100957174495
1971	1.2131563474161757
1972	1.5929294813171089
1973	2.3813841085434744
1974	6.554324376128398
1975	5.763339607816363
1976	6.557364896812984
1977	6.646387193396271
1978	6.589536131997694
1979	9.435815379726364
1980	10.6689141755071
1981	7.576195686459262
1982	6.598571947206476
1983	6.198637098580227
1984	5.844129027591031
1985	5.735025056245037
1986	3.0623104465363125
1987	4.364801404360735
1988	3.765171098082195
1989	4.017799336530707
1990	4.282782543115876
1991	2.7489120272535006
1992	2.592623409340915
1993	2.356767463283646
1994	2.0391569412169694
1995	2.0433113132774396
1996	2.1937112018384486
1997	1.8291800630221255
1998	1.1731971361344342
1999	1.8106662960069273
2000	2.9398723927476986
2001	2.4580582668908275
2002	2.4182197953422726
2003	2.5834470679830357
2004	3.559838473581461
2005	4.3698664918952534
2006	4.677835896405722
2007	4.525761191643571
2008	5.6753497783131195
2009	2.89211540870543
2010	3.868647285129479
2011	4.783151085352597
2012	3.405523188900998
2013	2.8085464944549354
2014	2.380068129324942
2015	1.253791824244635
2016	1.1144837372984056
2017	1.366248694940917
2018	1.7643275155305371
2019	1.4692781934800163
2020	0.9378541633737021
2021	2.0510349639661443