Year	% of GNI
1979	20.91341481182004
1980	23.039572909685727
1981	21.75471291587911
1982	19.96302144725404
1983	19.081538895360787
1984	21.49440328976027
1985	23.749677949611495
1986	18.646279438404637
1987	20.855896458028752
1988	20.676547964185602
1989	26.44509284032195
1990	19.786109612529064
1991	18.367779285490556
1992	17.7544103765359
1993	18.856773239741592
1994	18.988617222142498
1995	17.622835436504655
1996	17.810677186480948
1997	17.946132608430737
1998	17.999682175072106
1999	18.2400846498842
2000	18.547365624329778
2001	18.2989041445
2002	19.552581368774646
2003	19.514562144586417
2004	21.015547462858866
2005	20.618092571030665
2006	22.430380746802957
2007	22.4507508091053
2008	21.85621407899832
2009	19.218978952607458
2010	20.27543611490241
2011	20.224390225097064
2012	19.464357587303375
2013	18.443514402858042
2014	16.873020038624134
2015	17.19136307055827
2016	17.08032168609414
2017	17.07952325471095
2018	17.08362360085561
2019	17.26680309198451
2020	18.358392321874973
2021	19.632013828758556
2022	18.427630219233464
2023	17.800681895074934