Year % of GNI 1990 0 1991 0 1992 0.300251183182627 1993 0.195837845127528 1994 0.128296830710409 1995 0.157024153455678 1996 0.103224996142484 1997 0.204543279263731 1998 0.0831523480320163 1999 0.0790524778179706 2000 0.0980094612402285 2001 0.0366108980466413 2002 0.047500538755635 2003 0.0524879665164639 2004 0.136901556958487 2005 0.114231898949666 2006 0.958650036177041 2007 2.32910103678705 2008 0.484219501794798 2009 0.394349375935912 2010 0.762661471773343 2011 0.711854974986307 2012 0.605164333648204 2013 0.639609357513145 2014 0.696302350584807 2015 0.495719734833971 2016 0.483270810571093 2017 0.411266784171239 2018 0.170931054483986 2019 0 2020 0 2021 0