Year	% of GNI
1970	12.7368039893782
1971	12.8061458808497
1972	12.574003894908
1973	12.479397253974
1974	13.3196420485397
1975	14.1586437721477
1976	13.9187838231784
1977	13.9163669693999
1978	13.9240872628149
1979	14.3019552386189
1980	15.0482516145435
1981	15.2170002270621
1982	15.9267768599724
1983	15.5671789443764
1984	14.8400463015595
1985	14.8521115925631
1986	15.1730253402484
1987	15.125356240509
1988	14.9254588946239
1989	14.9732217226774
1990	15.0540214100198
1991	15.2932792091383
1992	14.9211658114725
1993	14.9024736224185
1994	14.722078762129
1995	14.8175153327448
1996	14.6075016732224
1997	14.4287656993021
1998	14.3368434654603
1999	14.4363090676296
2000	14.5538604975515
2001	14.8846188720556
2002	15.0012965856726
2003	14.9033615662937
2004	14.7903911659822
2005	14.9699763489153
2006	15.1007174879948
2007	15.4830919711513
2008	16.0267941077113
2009	16.4385931124845
2010	15.7587240518348
2011	15.6117979692701
2012	15.4476967934249
2013	15.5990549805486
2014	15.6016751064509
2015	15.6015148140659
2016	15.7045034155259
2017	15.6833669267271
2018	15.6448505099563
2019	15.7899477414604
2020	16.6622110246172
2021	16.2237735340304