Year	% of GNI
1991	7.84998163369439
1992	12.634593058688386
1994	16.61263236014894
2005	22.938200405613635
2006	25.514951319323895
2007	25.467319530588984
2008	31.31459653467806
2009	22.23055342934071
2010	25.185015670949838
2011	27.30832325176394
2012	30.692320786978073
2013	24.46300762510952
2014	25.77670672683496
2015	19.89288862795492
2016	19.55180917122211
2017	22.64916343697105
2018	24.313395979565342
2019	25.615486684784912
2020	24.645971202109713
2021	28.748700549001335