Year	% of GNI
1970	1.425937484983017
1971	4.525997461897606
1972	2.9191820633571304
1973	2.1581108604974286
1974	1.7905663631466155
1975	15.209825859855265
1976	15.429355415282117
1977	20.09749545052251
1978	38.19313968589196
1979	18.70331623285356
1980	56.54792472544358
1981	32.57898083287064
1982	12.539093255183612
1983	19.772754066816418
1984	5.481260988717171
1985	7.460044661554069
1986	12.664442856588659
1987	12.886746746611555
1988	16.028483759263807
1989	15.751995894579352
1990	8.073479917466186
1991	12.69160056868612
1992	12.435893285078672
1993	9.584083355981287
1994	8.76555103899025
1995	13.848673623145432
1996	6.181977577939339
1997	4.88372740229467
1998	4.850213560283325
1999	5.449535547303254
2000	3.0521294375311117
2001	2.637069818503081
2002	2.4623520734029936
2003	1.6720519777643212
2004	2.2314492108917183
2005	6.3922649434143715
2006	2.221569988568272
2007	1.872440925109475
2008	2.5079186788987875
2009	1.1727544150222848
2010	3.8771620000780804
2011	2.0095283949262885
2012	2.17022367392861
2013	0.7402832998768669
2014	0.6743951423634512
2015	0.6318076281929624
2016	0.5597687868741695
2017	1.0466483870969974
2018	2.675722653563483
2019	1.3758477047973667
2020	9.133466955740094
2021	2.3583038091329263
2022	2.1231653361744076