Year	% of GNI
1979	6.915911734964317
1980	5.747215160187343
1981	7.632279531759349
1982	9.000370007619546
1983	9.144822828516666
1984	9.851491432913944
1985	10.3193104663391
1986	9.997029515158914
1987	10.313723222957064
1988	11.007157131501582
1989	13.050268440242583
1990	1.17133876273736
1991	2.878656561704714
1992	4.752814747150755
1993	6.566598142157973
1994	8.99404224197865
1995	8.13347366878029
1996	9.604968628600773
1997	9.814154147447411
1998	9.752406785985864
1999	9.515633109098783
2000	9.422623441071897
2001	9.33968254601034
2002	10.108858891101503
2003	11.054860857338475
2004	12.473481083496186
2005	12.73618471963103
2006	14.276181397492287
2007	15.51939938734914
2008	15.164406484846346
2009	14.713353268136466
2010	15.493324078293547
2011	14.085384244879084
2012	14.264133399614568
2013	13.225317387028689
2014	13.344846071688965
2015	13.845646159751482
2016	13.368627024032284
2017	13.8971093467176
2018	13.275982321315276
2019	12.6516756111264
2020	12.577140778161398
2021	13.050880975341606