Year	% of GNI
1980	7.91142677860555
1981	6.88313920410704
1982	9.56915407042599
1983	6.151112433262416
1984	5.589891818914154
1985	4.695567550395067
1986	7.282610715886804
1987	7.483106053929058
1988	7.194375561250992
1989	8.382659918656993
1990	9.02662050739768
1991	7.301649537822324
1992	9.287641515557542
1993	7.117734885995562
1994	14.196385371792536
1995	18.938712179267302
1996	10.815391854151429
1997	8.42660410766032
1998	13.208292921311413
1999	10.136359781747508
2000	10.339184013940436
2001	10.10930655910867
2002	5.870768781700731
2003	8.74104820526652
2004	6.456063759367637
2005	6.879177382326846
2006	6.8268667971769785
2007	7.9891543785737165
2008	8.719539421318622
2009	7.090900829064205
2010	6.059657719103818
2011	5.99857951038382
2012	9.03783390168532
2013	10.356660794192294
2014	9.810871983908793
2015	9.180077791340942
2016	10.985461170125486
2017	7.11483098533731
2018	5.289692674937071
2019	4.31085263208698
2020	4.156018443417755
2021	4.289989986222995