Year	% of GNI
1970	0.26357183857325084
1971	0.2528298707859443
1972	0.27186491794977136
1973	0.3414198534893477
1974	1.2146049393449596
1975	1.0802320610835396
1976	1.0690789651198611
1977	1.0614843663102291
1978	0.8942489459251515
1979	1.7634647390798712
1980	1.9290965704128062
1981	1.4364082479865334
1982	0.8222524565543556
1983	1.1002566846773945
1984	1.0654180343638064
1985	0.992368292611723
1986	0.350740878772316
1987	0.46743737068118035
1988	0.35585255497585033
1989	0.41198313166520095
1990	0.45918282099791513
1991	0.3032698833266106
1992	0.31599718526169285
1993	0.32882854464751343
1994	0.28763246909115536
1995	0.26965724158586524
1996	0.3731574457687587
1997	0.33189803203659896
1998	0.17579494612345778
1999	0.2568077465059515
2000	0.5544492517278744
2001	0.44900604285637497
2002	0.35907457326942066
2003	0.49060743772070353
2004	0.5119838731417069
2005	0.6684371349739783
2006	0.5434633990498341
2007	0.5322292650654825
2008	0.7603665143105793
2009	0.32230941063820323
2010	0.39266181539873235
2011	0.5062981538050735
2012	0.37882911733096997
2013	0.3666431126871921
2014	0.3439158579783617
2015	0.13896035207523327
2016	0.15235602772287962
2017	0.20479426810026152
2018	0.31015316940906623
2019	0.2935703152517806
2020	0.21806236751238475
2021	0.754491426956579