Year	% of GNI
1970	15.054779489158
1971	15.0026785894665
1972	14.5698278310685
1973	14.482586071635
1974	14.7417616259852
1975	15.0119324327337
1976	14.8450731023815
1977	14.9440830793011
1978	15.1227724641078
1979	15.3256709155366
1980	15.8416657197212
1981	16.1527648503157
1982	17.2207926480861
1983	16.5138043526926
1984	16.0134599666007
1985	15.7597505479814
1986	15.8875621328131
1987	15.3550269796179
1988	15.1223047498659
1989	15.3274544311618
1990	15.8361386069281
1991	15.7926750299117
1992	16.0106132531456
1993	15.7701636761799
1994	15.7039882069901
1995	15.5725748642821
1996	15.695584448314
1997	15.7502698262945
1998	16.2778188990891
1999	15.9058670206895
2000	15.3316750065465
2001	15.7853319296227
2002	15.7702192594979
2003	15.2160997340559
2004	14.7980655936016
2005	14.670533774969
2006	14.8910504211405
2007	15.1530553594655
2008	15.7190317263582
2009	17.3731025155807
2010	16.4774589067645
2011	16.0902793027049
2012	16.3869002185877
2013	16.4939117203611
2014	16.4678214184998
2015	17.4659224272588
2016	17.6473795047866
2017	16.8114873633952
2018	16.8040097375599
2019	16.8149337823308
2020	17.9457220279581
2021	16.5013705299958