Year % of GNI per capita 2003 5.5 2004 5.5 2005 5.3 2006 5.1 2007 4.4 2008 4.4 2009 4.2 2010 4.3 2011 4.4 2012 4 2013 4.1 2014 3.5 2015 3.4 2016 3.3 2017 3.2 2018 2.8 2019 2.7