Year	% of GNI
1970	4.415284175299518
1971	4.411979059742466
1972	4.536491579486571
1973	4.794703342380442
1974	4.690934621257126
1975	4.549337708219149
1976	5.132488504054601
1977	5.279499292303549
1978	5.2580839437499565
1979	5.168484797143252
1980	4.992566006864543
1981	5.381373678601204
1982	5.316764862518156
1983	5.351467041477887
1984	5.344177521172216
1985	5.409327252335782
1986	5.405492718701387
1987	5.284691487754161
1988	5.277915650531375
1989	4.919589941825186
1990	4.8546020683012525
1991	4.605350720960643
1992	4.879400623873474
1993	4.848601200841573
1994	4.790323123113068
1995	4.785564928154781
1996	4.71036394951587
1997	4.611686947888612
1998	4.432347487446605
1999	4.209343657877918
2000	4.275228305162988
2001	4.447197542908736
2002	4.459699925091656
2003	4.445038183952624
2004	4.370684701035427
2005	4.383527519141753
2006	4.2409099967833255
2007	4.111522975139546
2008	4.049328839390899
2009	4.113353820246286
2010	4.15484064316791
2011	4.113646392495872
2012	4.013628924485022
2013	4.105657061024525
2014	4.133224311727472
2015	4.0065603004072186
2016	3.9274901721651547
2017	3.845829732124095
2018	3.736298683983617
2019	3.642220342729011
2020	3.587356166083236
2021	4.0292532032488735