Year	% of GNI
1979	22.82639046106468
1980	22.66634807545197
1981	22.52065874438241
1982	23.004735661390107
1983	23.033306892996784
1984	23.931063022906454
1985	25.103137392343456
1986	23.20296227618713
1987	23.54621550908926
1989	25.763117578534892
1990	23.219877843320468
1991	22.82732541662943
1992	23.285032689920648
1993	24.260194147854193
1994	25.540978258002575
1995	24.720214182196603
1996	24.886918807387463
1997	24.49156689015012
1998	24.140769156328336
1999	24.513787679510948
2000	25.297886847272512
2001	25.522696762098036
2002	26.74795527474131
2003	27.936487153545354
2004	29.72842830232267
2005	30.33454400089962
2006	32.01970639831216
2007	32.75544650722509
2008	33.375124937887236
2009	31.78910706318631
2010	33.298865626764574
2011	33.35145549174298
2012	33.06062404147263
2013	32.40653717860338
2014	32.470552987903744
2015	32.78391624214011
2016	32.38944609934213
2017	32.90256429614029
2018	33.62820043979149
2019	33.01872691375224
2020	33.48420414888218
2021	35.41401998573117
2022	35.304837644868364