Year	% of GNI
1971	6.512611037296908
1973	6.952491324557871
1974	6.69615097482881
1975	6.961223806538732
1976	6.780737058087118
1977	6.689391236561219
1978	6.791409767035489
1979	7.071781794733334
1980	7.2614334889808685
1981	6.730469093611503
1982	6.585413121952542
1983	6.439641761818069
1984	6.637178578777255
1985	6.1986573992744125
1986	6.143392077195206
1987	6.599020427127529
1988	7.558649655033249
1989	7.395517676166878
1990	7.188905782388158
1991	7.456543995046814
1992	8.233007011154758
1993	8.484973622105874
1994	8.681706409896751
1995	8.632766480635855
1996	9.178910554324718
1997	9.027410448434576
1998	8.992256751938525
1999	9.011351395196673
2000	9.634987021095561
2001	9.182613369069875
2002	9.229651529460861
2003	9.05379658700757
2004	9.092533838927267
2005	9.07567174537163
2006	9.018972239719547
2007	8.856599597537405
2008	9.060435490044558
2009	8.867914140030093
2010	9.311629533395374
2011	10.358062418431134
2012	11.106837318519847
2013	10.436278683701865
2014	9.896593814741232
2015	9.597702714466632
2016	9.296420752598515
2017	9.30007900377131
2018	8.953071946695054
2019	8.972659005563454
2020	8.847710110760657
2021	8.699766936573589