Year % of GNI per capita 2003 28.8 2004 28.2 2005 27.7 2006 23.8 2007 24.2 2008 21.7 2009 18.9 2010 27 2011 23.8 2012 20.7 2013 19.9 2014 19.4 2015 17.3 2016 15.6 2017 20.3 2018 20.5 2019 18.6