Year	% of GNI
1970	8.75003648181035
1971	8.76513454908298
1972	8.77257130225881
1973	8.77780540213833
1974	8.77782027434529
1975	9.36828791343837
1976	9.38158579191493
1977	9.40649209004723
1978	9.42755709734285
1979	9.43028102390036
1980	10.1402373385842
1981	10.2195354378235
1982	10.2610259306144
1983	10.2908552049657
1984	10.3071649829954
1985	10.9667228732918
1986	11.0869261531987
1987	11.085157751123
1988	11.1186907938769
1989	10.991441333223
1990	10.6311880476906
1991	10.7246773218338
1992	10.6193562430598
1993	10.231743111727
1994	10.4046768561988
1995	11.3697782624675
1996	11.703589465947
1997	11.8466586271964
1998	11.8995721551642
1999	12.0788467078053
2000	12.1252328003866
2001	12.0176648916468
2002	11.829131066633
2003	11.5572574524255
2004	11.5660921669301
2005	11.3584917264011
2006	11.0517069885953
2007	11.2256648924012
2008	11.4103566081532
2009	11.6140423649396
2010	12.1443954785015
2011	11.9682938519902
2012	12.1597025917562
2013	12.1135150476762
2014	12.0740922015195
2015	12.3490923501691
2016	12.5786775340034
2017	12.699845660986
2018	12.7504717179487
2019	12.5714756719371