Year % of GNI 1990 21.313578432089 1991 5.15228740536934 1992 16.9070569447639 1993 17.202491802004 1994 9.23322875403121 2001 12.4449713126951 2002 12.2716167038486 2003 8.26894442063112 2004 9.56104260380476 2005 5.30647223768916 2006 8.38145729317375 2007 4.26641094734302 2008 2.02915137406768 2009 1.04724240673034 2010 3.91864079598828 2011 8.91690472468669 2012 13.4357037077481 2013 8.62294803341553 2014 8.49032377994823 2015 2.23808335550483 2016 6.49900227695976 2017 13.2367073170389 2018 14.0510416734961 2019 19.4989325890941 2020 14.3822233848075 2021 -3.34655252316203