Year	% of GNI
1970	0.4062144552410122
1971	0.4530633153426195
1972	0.5200629839500922
1973	0.7236887545003985
1974	2.3270324425014985
1975	1.9489369974055522
1976	2.0660357491867667
1977	2.0609060498053493
1978	1.7604298669556073
1979	3.2431710256338624
1980	3.6242977509514818
1981	2.7949758145823096
1982	1.8154366873584882
1983	1.9806566340918648
1984	1.897074993617771
1985	1.7283079218838255
1986	0.7574633633057488
1987	0.939979766155918
1988	0.7592360790260866
1989	0.9591762600420818
1990	1.098564108858632
1991	0.7029679767159985
1992	0.7473984238869065
1993	0.7584537721787139
1994	0.6949484051776639
1995	0.6997338299271793
1996	0.8500438169836609
1997	0.7581237625974371
1998	0.45426918619846074
1999	0.6273900905627334
2000	1.1785610469358194
2001	0.9818139674908902
2002	0.8928534702040488
2003	1.0662239492074157
2004	1.2981792534966172
2005	1.707712571290581
2006	1.8050198205151387
2007	1.8350002652838342
2008	2.4885026250654905
2009	1.319766148688128
2010	1.7532850230237946
2011	2.3565750676855917
2012	1.9261865787418941
2013	1.7191184299908344
2014	1.5083020188895342
2015	0.8169728293983748
2016	0.7254087454026492
2017	0.8984744116751552
2018	1.186849659884895
2019	1.0446013211709868
2020	0.6920408804264563
2021	1.5241278278509696