Year % of GNI 1992 0.00489476612532558 1993 0.00368909376422412 1994 0.00539763794446605 1995 0.0019093429459185 1996 0.00214211063627011 1997 0.00114940023467971 1998 0 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0