Year	% of GNI
2000	20.1758663687505
2001	20.839297267268
2002	29.0149014858253
2003	42.9545601876229
2004	24.2726227933464
2005	23.9807912186088
2006	20.4176462909086
2007	24.148114301117
2008	23.6601687630925
2009	23.7339079742585
2010	19.721922728985
2011	18.4269732752538
2012	19.7367168856929
2013	18.4381316591212
2014	20.6062208198535
2015	20.947506114633
2016	21.358217685375
2017	21.9939212611328
2018	16.0777562286299
2019	15.9614665018595
2020	18.3854428842103
2021	17.5401484766572