Year	% of GNI
1980	12.022845367111884
1981	11.565257754132958
1982	12.310716639586001
1983	12.818345444865605
1984	12.479623562223702
1985	12.876661019846576
1986	10.2955242672136
1987	11.304482470627164
1988	11.73827514677009
1989	14.398958402046786
1990	10.876478368400313
1991	11.860940258402564
1992	12.536614819020459
1993	13.594284433938425
1994	14.21889905543228
1995	13.181367274299875
1996	13.5283142310128
1997	13.151573608343101
1998	12.167516568888642
1999	11.921860595367962
2000	12.42848349486943
2001	12.336287508679137
2002	13.805217210707726
2003	15.11038441444131
2004	17.185013622644934
2005	17.844511828229408
2006	19.618616818918227
2007	20.408832482101953
2008	20.952239383523096
2009	18.731083710429473
2010	19.510981030361464
2011	18.582172054562463
2012	17.78509302481695
2013	16.41696631867333
2014	16.401185029151655
2015	15.273134160600087
2016	14.827769937370224
2017	15.61291125488837
2018	15.405583910766591
2019	14.582954180804897
2020	14.06488657520601
2021	15.746114242544287