Year % of GNI 2002 -0.27402619648714 2003 21.8981579719491 2004 13.7834730035358 2005 31.485387788966 2006 37.45519909673 2007 35.6977672446545 2008 35.379168236504 2009 17.0412570449974 2010 25.1187241985941 2011 6.99505233983449 2012 19.1720045378909 2013 7.3660487101665 2014 -3.04703993339945 2015 -9.07112586014371 2016 -12.0899532070392 2017 6.1340967994977 2018 13.0645965251722 2019 3.51286189045836 2020 -26.6280971604163