Year	% of GNI
2002	9.96021214790008
2003	11.185193954475434
2004	16.519771653821593
2005	20.614481294159546
2006	22.3188614470102
2007	20.917719760982912
2008	22.90435545371935
2009	10.994351253534564
2010	15.298739249889485
2011	14.914532626094804
2012	16.345300587082995
2013	9.411942283080789
2014	6.115006368592187
2015	9.356062513456356
2016	8.411095720499713
2017	11.659958189361248
2018	13.246256756009446
2019	13.344212425262741
2020	10.128322588699048
2021	15.179587729909525