Year % of GNI 2002 25.9237635555936 2003 25.7328791641965 2004 26.8219110212696 2005 26.9797639569545 2006 27.4531885324559 2007 28.3847479781816 2008 26.7760778683231 2009 24.5462669713944 2010 24.9680667209677 2011 23.4631068879501 2012 24.1707131002947 2013 23.6514580996382 2014 24.07202707796 2015 24.6596801145232 2016 24.5811880711238 2017 24.9264000880435 2018 24.2836336065181 2019 24.8680106508984 2020 25.1865527301766 2021 26.1933834655321