Year	% of GNI
2005	-33.3557405849311
2006	-31.9928070337095
2007	-33.8765336751795
2008	-24.5921589851418
2009	-21.924962431374
2010	-20.6014957804129
2011	-23.1627648298226
2012	-17.6121357003544
2013	-15.5060464160112
2014	20.9152177168714
2015	20.2859662100126
2016	16.8571833134379
2017	14.094519479514
2018	13.1745515578194
2019	14.5741936572247
2020	18.4954433968618