Year % of GNI per capita 2003 1 2004 1 2005 0.9 2006 0.8 2007 0.8 2008 0.9 2009 0.7 2010 0.7 2011 0.7 2012 0.6 2013 0.6 2014 0.6 2015 0.6 2016 0.6 2017 0.5 2018 0.4 2019 0.4