Year	% of GNI
1990	13.5215276708564
1991	13.0125531049763
1992	12.577747129819
1993	12.0251337013302
1994	13.269462223876
1995	14.3296953703009
1996	14.9343435993813
1997	15.9499275774273
1998	14.3328350067846
1999	14.9585401094276
2000	14.8945721016938
2001	12.8089137687585
2002	11.1573343014029
2003	12.0254490470922
2004	12.466566949447
2005	13.1402143513252
2006	14.3571726728018
2007	14.8152133350837
2008	12.238814173746
2009	10.3219289354789
2010	12.6193658201043
2011	13.569908687596
2012	12.9972128888048
2013	12.2959202110749
2014	13.1146781834394
2015	14.7406395140175
2016	15.2892312857532
2017	16.9543786002352
2018	17.6967585933864
2019	16.7202400359911
2020	13.692626834899
2021	15.5468756565449