Year	% of GNI
2002	19.0242129339215
2003	18.4838705802348
2004	12.9372897525853
2005	19.7334997142557
2006	30.303881465319
2007	13.3143533781769
2008	17.6578989794703
2009	11.7063216567144
2010	9.53314331109989
2011	11.8824237309697
2012	8.99798740540307
2013	9.00853404500375
2014	13.0805799708299
2015	35.1776499034375
2016	27.950774234001
2017	26.622018078859
2018	29.870309232291
2019	31.4205676696595
2020	31.0148200045515