Year	% of GNI
1970	17.547354080878
1971	17.8701034317484
1972	18.3200718253676
1973	17.943667378996
1974	17.5005601747189
1975	16.9481073054934
1976	16.4214881024686
1977	16.3717473656459
1978	16.1373095685603
1979	16.4491666706238
1980	16.8777308268787
1981	17.5830336752471
1982	17.789519305419
1983	18.0070851092426
1984	18.0451919572765
1985	18.1665345138916
1986	18.419119219632
1987	18.7114784064127
1988	18.7446550355673
1989	19.4694108116802
1990	19.770512456485
1991	20.4778557238134
1992	21.3118792532009
1993	22.0781013077356
1994	22.2785516319435
1995	21.8536799620173
1996	21.5903671330161
1997	22.0904072454408
1998	22.7709234841164
1999	23.0686501795187
2000	22.8248032175661
2001	22.8280924853601
2002	23.0584517030473
2003	22.8392873980651
2004	22.5448171256282
2005	22.5928532625559
2006	22.8819173381136
2007	23.0508625863293
2008	24.2445521476983
2009	25.361550038493
2010	24.27565503755
2011	24.1522451335992
2012	23.7563930098323
2013	23.4308499864573
2014	23.4523852480142
2015	22.9143929349948
2016	22.757773597815
2017	22.6794170969907
2018	22.9227833959713
2019	23.1695464614167
2020	24.3212313474121
2021	25.2032371597744