Year	% of GNI
1970	2.161781516254817
1971	1.9772462691898935
1972	2.160745225098976
1973	2.9501264921008543
1974	2.5585898487481855
1975	2.540417273534507
1976	2.567967721420772
1977	2.831183506631571
1978	2.646279752760662
1979	3.2626193256147356
1980	2.9125197630238793
1981	2.423203024338401
1982	3.6485620044011706
1983	1.9254442388324513
1984	1.0615850776311055
1985	0.9367916697277208
1986	0.7146790573108964
1987	0.783555593143811
1988	0.7246371580722426
1989	0.7727304109622201
1990	0.9281870783709282
1991	0.9914981898726825
1992	1.007043898207137
1993	1.106068963074707
1994	1.2201837349183853
1995	1.5268568998996341
1996	1.2614176647060786
1997	1.0815316472334748
1998	0.7153371934131012
1999	0.6100908631018687
2000	0.42169388787900547
2001	0.4454678884281049
2002	0.4195819030125057
2003	0.4778688930991267
2004	0.5075070022930711
2005	0.5121669983249216
2006	0.6785006332588881
2007	0.7001803622260627
2008	0.7104373266799886
2009	0.7141731284237559
2010	1.159093901184964
2011	1.090367502450694
2012	1.00341376400006
2013	1.1858147557214977
2014	1.1211941913671495
2015	0.9664802690672326
2016	1.0789002497021698
2017	1.0916631423282586
2018	1.0546298204023181
2019	0.8609665774334917
2020	0.9971955880162946
2021	0.7530760074250539