Year	% of GNI
1972	8.716491614090708
1973	7.415850463990108
1974	7.959661001170027
1975	8.281857948454645
1976	8.628311836003299
1977	8.103800734402904
1978	8.846234785268356
1979	8.583255443293755
1980	8.878166081999568
1981	9.259945584211495
1982	9.808775214267309
1983	8.79828638237881
1984	9.105018153162433
1985	9.452634678052995
1986	9.370869296459377
1987	9.720791495407726
1988	9.608560236365978
1989	9.620712341766607
1990	9.865197520975007
1991	10.09397601003773
1992	9.736587410733467
1993	8.898209387926952
1994	8.79416273373657
1995	9.200428297264208
1996	8.932361051362335
1997	9.670171853341511
1998	9.452814103251708
1999	9.876063614994884
2000	9.66817136435547
2001	9.17675451222157
2002	8.344567311736466
2003	8.934529939569215
2004	8.428086173739251
2005	8.391723892956522
2006	8.589932157912068
2007	8.189676773319055
2008	7.650810337740454
2009	7.671581587764335
2010	7.962168351727453
2011	9.697913697061397
2012	9.518612388768808
2013	8.935172198799814
2014	9.989183053042973
2015	10.168840184080999
2016	9.962359044213924
2017	10.134726646410705
2018	10.085149597147776
2019	10.075788425474594
2020	9.861757476664435
2021	9.735839044030328