Year % of GNI 1995 0.0308687591876803 1996 0.030974647325001 1997 0.0242795462783433 1998 0.00610679067511464 1999 0.00654416460381644 2000 0.0243552091250615 2001 0.0322731683377735 2002 0.0182482512360512 2003 0.0164371366468754 2004 0.0310319391198552 2005 0.0183389411752148 2006 0.0211966617510127 2007 0.0166750317203297 2008 0.0365028644374685 2009 0.0140628983221781 2010 0.021762703428359 2011 0.0269933548663592 2012 0.0170762001633895 2013 0.00988189284963423 2014 0.00658132009957889 2015 0.00416813781925941 2016 0.00329645515524121 2017 0.00513708375636034 2018 0.00408363151904467 2019 0.00362892294078664 2020 0.00125437090991945 2021 0.00319420842345686