Year	% of GNI
1977	19.599575754480007
1978	17.498474583321784
1979	16.10937059622694
1980	14.045389681668496
1981	10.68671135135613
1982	9.787985323987678
1983	8.715161907280189
1984	7.713148436717097
1985	9.073324381817518
1986	10.16779288959656
1987	7.862010580284383
1988	8.673755408616483
1989	9.385689956362736
1990	10.464995544204985
1991	12.484738997593135
1992	11.641941471336537
1993	11.136443096031437
1994	10.91350874801446
1995	11.272199862839907
1996	9.92633491495316
1997	10.25092258302862
1998	12.119063017436929
1999	11.92270247324527
2000	12.616315598818167
2001	10.021192335134353
2002	13.937119385494585
2003	14.551729075769723
2004	15.945341307760208
2005	14.056646401312529
2006	14.694166865841432
2007	14.827304603675334
2008	11.799017643660763
2009	13.055603641960202
2010	11.950862219036951
2011	11.44710843120442
2012	11.802475123610979
2013	11.87669672941505
2014	12.088008334610386
2015	13.907618558229375
2016	15.150870053670406
2017	15.100692824122076
2018	14.973029397724591
2019	16.98063184828445
2020	18.873831298247826
2021	19.524348386387132
2022	18.295111563394606
2023	19.602236200319854