Year	% of GNI
1980	6.459264306226677
1981	8.363539884216431
1982	9.86040166291223
1983	10.418215311802314
1984	10.15173635794138
1985	10.55769340298593
1986	10.326447237790857
1987	10.426656949144082
1988	11.090166690365894
1989	13.845487367620928
1990	7.763552065935643
1991	9.609587973253962
1992	10.470256532995975
1993	11.499471357500044
1994	12.571005822656698
1995	11.464726719572583
1996	11.906767920106493
1997	12.027238906210656
1998	11.521054622374965
1999	10.493970411906858
2000	9.913856699601268
2001	10.100113211412095
2002	11.263968468124599
2003	12.355721349046231
2004	13.614634485010576
2005	13.631733662431692
2006	15.176342551610002
2007	16.31055993874266
2008	15.90982378721381
2009	16.298773549983043
2010	16.38586927135004
2011	14.663394330683992
2012	15.038922664136608
2013	14.175604861054971
2014	14.550449345721885
2015	14.32544395380761
2016	13.93801072021018
2017	14.515396249561821
2018	13.785805497084025
2019	13.152780152772355
2020	12.93465910825782
2021	13.672181668143274