Year	% of GNI
1996	13.0117334082796
1997	8.43772668658622
1998	4.5992146425326
1999	19.7251991064131
2000	17.4355694052777
2001	20.4292149273174
2002	19.3385404297139
2003	15.1071631239735
2004	21.1509912617572
2005	20.1762876126631
2006	19.4817809376606
2007	21.8309242098228
2008	21.2403776597765
2009	13.3057505435108
2010	15.8562325101899
2011	13.0687645221529
2012	15.3291126090445
2013	18.0247800378377
2014	18.4662506025942
2015	16.8150416388956
2016	17.4464699331784
2017	15.952688235761
2018	14.5223164799378
2019	15.2303175228247
2020	16.1400159460366
2021	16.4063986704089