Year	% of GNI
1975	21.8371136746613
1976	19.5212457082768
1977	20.1164379487202
1978	19.9587011432387
1979	18.5216082093233
1980	18.4751110847123
1981	19.4434275529827
1982	16.1205147897036
1983	14.142342564195
1984	16.7076109887843
1985	20.1798722625266
1986	17.928841773518
1987	22.6733268030812
1988	24.9438334341931
1989	33.9887992125019
1990	19.4703685585798
1991	19.1623068797828
1992	20.5867383322059
1993	20.7597465694387
1994	19.8790133444234
1995	14.6439296127655
1996	14.2316675372273
1997	13.9412326084218
1998	14.1834142194652
1999	13.1419389563855
2000	14.4065862696391
2001	14.0507979002069
2002	15.9406569149523
2003	16.9560355609556
2004	19.4290208829652
2005	18.6533022286314
2006	18.8823188179904
2007	19.7662175819559
2008	19.7101514840512
2009	16.7510200902621
2010	18.3698459556278
2011	19.0918675478366
2012	18.1304727109352
2013	18.4074664923628
2014	16.4407702239485
2015	14.8079878132788
2016	13.7126722518995
2017	13.8364431795608
2018	13.0708730603895
2019	12.588778263718
2020	14.9847090288382
2021	17.9318216698343