Year	% of GNI
1976	21.5520175594857
1977	16.4386472670879
1978	14.9247423424993
1979	14.5392816591045
1980	5.51336295440026
1981	7.82878637573121
1982	10.1317592494066
1983	11.7051545001402
1984	13.9396180165148
1985	17.6575846571005
1986	25.695986693367
1987	26.4784853305087
1988	25.2430724600303
1989	22.3385019159101
1990	21.3394122424122
1991	22.245075229451
1992	22.6213624793524
1993	20.3547524267541
1994	16.7360714765412
1995	15.099783872315
1996	15.0921047546039
1997	15.1506285570513
1998	14.5640742054912
1999	13.7818378228271
2000	15.5835137902487
2001	17.8644979270858
2002	17.4785065154563
2003	16.3562221156868
2004	13.6207719839538
2005	8.36914080676179
2006	10.8390600647251
2007	15.0155356942804
2008	7.69167779101975
2009	1.68486064193104
2010	0.773514810436727
2011	-1.34777482324068
2012	-2.73018494540778
2013	-3.24051868330157
2014	-4.62357326564034
2015	-3.23622280451876
2016	-2.38865913884903
2017	-0.150813326718006
2018	-0.802754826145638
2019	-0.927298117793591
2020	-6.60267164539677
2021	-3.23223521550724