Year % of GNI 1989 0.0924210739847533 1990 0.0796297374555241 1991 0.022724726943907 1992 0.0316666707120811 1993 0.00637941506464215 1994 0.00797960355245046 1995 0.00666538403238014 1996 0.00498160709708741 1997 0.0164855714566129 1998 0.0111025195121837 1999 0.0106852509303456 2000 0.0150984705204852 2001 0.0150981708361012 2002 0.023242238434734 2003 0.019349334799659 2004 0.023417372845112 2005 0.0418320455856646 2006 0.17223957308506 2007 0.245532360786097 2008 0.511825275480817 2009 0.37424640622729 2010 0.196340451082599 2011 0.282106127184082 2012 0.21694520885378 2013 0.15566113118771 2014 0.0973324635041525 2015 0.0727582436960891 2016 0.0682416807443149 2017 0.0791733938962688 2018 0.0566634917049887 2019 0.00974685115247378 2020 0.0088486981168403 2021 0.0405145977926006