Year	% of GNI
2000	11.316265745014373
2001	12.824291887494448
2002	13.66096824626064
2003	14.293614239595682
2004	15.16178274717739
2005	11.487995255697868
2006	12.484243796756623
2007	12.05890353891716
2008	11.751875495605377
2009	12.507507438664007
2010	13.213727901152106
2011	14.055353768565196
2012	14.134046772079135
2013	14.419479027649551
2014	17.558224021977267
2015	18.242367223004244
2016	19.300945778950535
2017	20.340751567545887
2018	20.241021848482973
2019	22.466478577440288
2020	23.010984064853837