Year	% of GNI
1975	12.915266148509396
1976	13.203472300914612
1977	12.890120994975609
1978	13.450200593694113
1979	13.18114996131109
1980	11.530995206760473
1981	9.440717756384313
1982	8.975072389293167
1983	9.190850068114596
1984	9.7747384217361
1985	9.949188793684995
1986	11.157383484467394
1987	10.82404060317071
1988	11.891247644682515
1989	12.127078942523797
1990	11.735584440797165
1991	10.878175049424978
1992	10.445568022823744
1993	9.838108437686033
1994	10.175863846966315
1995	11.112906752306282
1996	10.887915649245858
1997	11.507459983230868
1998	11.639873497502666
1999	11.337589980494784
2000	10.831748360955515
2001	10.728002631396194
2002	10.444234863617545
2003	10.030558358107854
2004	10.89308176955262
2005	10.690731265991348
2006	11.373887838533363
2007	12.039236808744782
2008	10.43098300071342
2009	7.600534849863324
2010	8.202210259695994
2011	8.880382131117914
2012	8.299161796167258
2013	8.426944828089619
2014	9.236163255139088
2015	9.832725506547595
2016	10.357815386055664
2017	11.014697385059163
2018	11.430758953592933
2019	11.466771499381531
2020	9.281829398373686
2021	11.255104393190736