Year	% of GNI
1990	15.4301486752998
1991	12.7154616637046
1992	9.2984214163207
1993	6.61271223918076
1994	13.6271017779321
1995	17.1113626070792
1996	16.9019184118
1997	16.9184017260975
1998	16.9326802801031
1999	17.0235163222635
2000	17.5812351629117
2001	17.2213280841911
2002	16.0814501249221
2003	17.5855361390812
2004	18.3886552111997
2005	18.5039817432066
2006	20.6553161141403
2007	21.7742644968422
2008	20.6828727728422
2009	15.4795651170053
2010	17.4227857247695
2011	17.560707108597
2012	17.1834804778281
2013	16.9285379566018
2014	17.1970242083055
2015	17.4871912561563
2016	17.3232227348877
2017	18.2927579617704
2018	18.0783217634771
2019	19.6677529703243
2020	19.6505842148334
2021	19.7627788076617