Year	% of GNI
1979	23.366745339040868
1980	23.017428847605725
1981	23.2760899476635
1982	24.077249555104412
1983	24.41136128177699
1984	24.293050401850458
1985	25.600952459464352
1986	23.68923143937498
1987	23.875440406326824
1988	24.99391263943046
1989	26.180437102651524
1990	23.60198935052118
1991	23.34830509579238
1992	23.62238437185192
1993	24.71668714271842
1994	25.42605428604858
1995	24.8014458538855
1996	24.9844611814944
1997	24.88821259261154
1998	24.708018113960105
1999	24.75283127089429
2000	25.034478256610736
2001	25.55464355989469
2002	27.21178261307104
2003	28.58534765148939
2004	30.452236262922003
2005	31.07743906781434
2006	32.933558085792285
2007	33.81776389628533
2008	34.80712308434644
2009	33.883179378840296
2010	34.84623545917533
2011	34.61249377522808
2012	34.512118099857666
2013	34.08069282567755
2014	34.27506322042269
2015	33.83130998942241
2016	33.422153034505605
2017	33.95859674739099
2018	34.6006330398461
2019	34.014570105481326
2020	34.600491028321606
2021	36.48491181497764
2022	36.325290719570674