Year	% of GNI
1980	13.265057439032411
1981	13.309267506252635
1982	26.067376224637705
1983	13.613182127206164
1984	10.037121634096179
1985	9.036454477072729
1986	9.28693515008034
1987	17.43418054349854
1988	13.073119848542913
1989	18.156826575763645
1990	19.90160017150481
1991	30.272367407267872
1992	25.241973349947585
1993	21.80788417717435
1994	27.922178748902738
1995	31.842323421541938
1996	24.560726888397213
1997	23.01796229237318
1998	15.16914534632012
1999	15.48784675985556
2000	11.77661155588221
2001	10.55320131302741
2002	12.15197881549392
2003	14.609301038816142
2004	16.97085666325129
2005	16.390807625938912
2006	7.99264311359922
2007	8.10327057088882
2008	8.09329229942453
2009	8.529935105709761
2010	12.35291540090289
2011	13.47977684361721
2012	13.2788691880578
2013	11.78198256291477
2014	9.34368877464127
2015	7.3937395885490105
2016	13.21178630603304
2017	10.82648370791119
2018	6.18472261634108
2019	5.502601739425954
2020	12.04948558811619
2021	29.52795780667295