Year	% of GNI
1989	26.3302614487051
1990	25.4951178056196
1991	24.5872735426527
1992	24.2950580756893
1993	24.7561419546637
1994	24.9269271322076
1995	25.257876890771
1996	26.2817732910123
1997	24.1560797070529
1998	21.9873552618379
1999	21.6438136891924
2000	20.2366037305799
2001	20.137893853853
2002	22.5815446614338
2003	21.536485678074
2004	19.7830198014908
2005	18.5828619434045
2006	17.3850613080128
2007	16.0055521547605
2008	14.8765178979454
2009	16.524314223906
2010	17.6032613332311
2011	18.7564654266404
2012	18.6849095839027
2013	18.6523548782685
2014	18.5755319362006
2015	18.2192924677712
2016	18.3790844086707
2017	17.6382141754672
2018	17.6113824907205
2019	17.1074274974205
2020	15.6782694571154
2021	15.7583615248105