Year	% of GNI
1995	22.272008705682087
1996	21.602813902489288
1997	21.658139029996278
1998	22.032998470755107
1999	20.715887498571227
2000	20.631864253746343
2001	20.399170486419532
2002	19.68972072530824
2003	19.175017672507366
2004	19.060197470649708
2005	19.839306275112257
2006	20.485318868157236
2007	20.998633884884985
2008	21.277512468148988
2009	20.138683400807338
2010	19.902003030183977
2011	20.88436251667704
2012	20.703496411670802
2013	21.72924153983014
2014	22.413680843476282
2015	23.426606214581017
2016	22.87630854246063
2017	22.899682766332702
2018	22.931589051643485
2019	23.25404998467422
2020	23.05005497158335
2021	22.886789300594735