Year	% of GNI
1981	3.834422739058915
1982	4.745940914007423
1983	4.685245075056148
1984	4.624254270014831
1985	4.564254749548415
1986	4.5869656519738715
1987	4.938778261425734
1988	5.409472126179883
1989	4.675869445689516
1990	4.114701927084666
1991	4.464358968857376
1992	4.467128352501002
1993	4.178177736481809
1994	3.7293316683943445
1995	4.0719436430628155
1996	4.561071416347229
1997	4.933698204102773
1998	4.9914456159114
1999	6.5069139132103135
2000	6.310772184820495
2001	5.682560994616424
2002	5.550179202755089
2003	5.328150052367427
2004	4.504698782085907
2005	4.356706606088446
2006	4.287094650344841
2007	3.363006421576623
2008	2.9453989464250716
2009	2.9274177990144676
2010	2.6201477872680123
2011	2.37415924688181
2012	2.4709443677107332
2013	2.5664785137242676
2014	2.496911780781597
2015	3.0859246052749576
2016	3.479530822122819
2017	3.3899007803258225
2018	3.4458782884631303
2019	3.9770295876180546
2020	3.8458219852684774
2021	3.529327016707004
2022	3.622320135047211