Year	% of GNI
1971	11.2554440523855
1972	11.1872236073366
1973	11.153871592529
1974	12.7003417260356
1975	15.8231109829675
1976	15.9169440010587
1977	17.0138125449275
1978	16.8994879858992
1979	17.0472418257272
1980	16.4153199321048
1981	16.1863162501367
1982	16.3901917297384
1983	15.83441057729
1984	16.0601093557677
1985	16.5931319410758
1986	16.0197882932927
1987	15.3475888390805
1988	14.6523067552581
1989	14.7930554603776
1990	15.4730700893756
1991	16.640864513832
1992	16.7252203911092
1993	16.1232944638143
1994	15.5814993324176
1995	15.3178325495659
1996	15.5131877074371
1997	15.1807008833254
1998	15.3756352106035
1999	15.1511450905689
2000	15.5480845838033
2001	15.1610870578094
2002	14.7385312874632
2003	14.306576764415
2004	14.4605490474288
2005	14.8684469560866
2006	15.4299674718314
2007	15.0336298329249
2008	16.2532804293138
2009	16.0796568713274
2010	15.5102104215681
2011	14.9029596404676
2012	14.8865838889979
2013	14.3039828798874
2014	14.3446617553241
2015	14.5615690907752
2016	14.4263768720616
2017	14.1987880347698
2018	15.2979147830226
2019	14.8371455635651
2020	15.2351409475191
2021	15.2351071645797