Year	% of GNI
1990	12.68283056248055
1991	15.578820704056971
1992	17.517759919560355
1993	19.253747272227937
1994	20.628859984714573
1995	19.472662375463234
1996	19.104613129508568
1997	19.842200468961213
1998	18.326242998710974
1999	16.070283741513517
2000	15.540690631746186
2001	15.691180466906683
2002	16.915156995065008
2003	18.74529358415592
2004	19.733741919380307
2005	19.804069258025937
2006	21.288900439994674
2007	22.91822366175872
2008	22.74482536789712
2009	23.838197279205016
2010	23.151520263273206
2011	20.105477780684264
2012	20.758600081441966
2013	19.537698111056372
2014	19.528780719761578
2015	18.174891319073716
2016	17.5023927760898
2017	18.060978582203376
2018	16.702760414502553
2019	15.374323332526437
2020	14.573004895023567
2021	15.4643769188189