Year	% of GNI
1971	14.513213856397568
1972	14.504154055666652
1973	15.360495852209151
1974	13.438945929652082
1975	12.022131861458027
1976	12.860554347201147
1977	12.613860513281544
1978	13.257209649386672
1979	11.953507183091482
1980	10.441644859101645
1981	10.633380238594775
1982	9.586253036769756
1983	8.767791796665845
1984	10.707456939993106
1985	9.769531260609542
1986	8.92358168435412
1987	9.887903719838368
1988	10.036700113511158
1989	9.578669847251756
1990	7.119127711308797
1991	6.462688824197182
1992	6.313488097591701
1993	5.563715619509399
1994	6.956514430009809
1995	7.9303240648941475
1996	10.630034648380821
1997	11.059224722751535
1998	10.717179009396064
1999	10.16860923437756
2000	10.10739503739656
2001	9.113445418690947
2002	8.384799961164893
2003	8.239609227886962
2004	8.927341824605941
2005	8.991918318261135
2006	9.84890428840169
2007	9.584754719746948
2008	7.616789414617181
2009	4.992996493238558
2010	6.909651965110936
2011	7.78560660201684
2012	8.16435692063488
2013	8.646470494693391
2014	9.125194143197971
2015	8.992101123722998
2016	8.578610033257036
2017	9.371918518545387
2018	9.37442273417219
2019	9.22552126263747
2020	7.80944364175262
2021	7.800661963221816