Year	% of GNI per capita
2003	31.9
2004	30.6
2005	27.6
2006	24.3
2007	20
2008	16.8
2009	13.3
2010	12.1
2011	10.7
2012	8.8
2013	7.7
2014	5.3
2015	4.9
2016	4.6
2017	6.5
2018	6.1
2019	5.6