Year	% of GNI
1970	9.104167404930742
1971	8.951937761978346
1972	8.537771556950936
1973	8.409606024168413
1974	7.260434757017254
1975	7.987373536904073
1976	8.56858878354109
1977	9.853556932051669
1978	11.130025246303784
1980	14.06618097990197
1981	14.05901667195931
1982	14.00856963157341
1983	13.634284909140387
1984	13.874691562947401
1985	14.302625948110947
1986	15.67775279230885
1987	15.306773444143674
1988	15.67754113175505
1989	15.072772732445829
1990	16.95537731218641
1991	7.433072207748149
1992	7.916803412674153
1993	11.574619418228274
1994	11.601096800790875
1995	12.859409072727814
1996	12.66503000426883
1997	12.384500414247892
1998	11.813990106563613
1999	11.351444761776925
2000	10.210991194812072
2001	10.219232769429784
2002	10.003364102095487
2003	10.05800807020429
2004	10.189057627062589
2005	9.781214895435252
2006	9.77693076578919
2007	9.707384467751792
2008	9.713086726857087
2009	9.978928091336394
2010	9.45859827328956
2011	9.442668889556936
2012	10.875265698687697
2013	10.991692043241416
2014	11.02047684459364
2015	11.067260552151323
2016	10.909943676624408
2017	11.467786555223881
2018	11.789988941961154
2019	11.34748570630234
2020	10.85133323954754
2021	11.285446049156675