Year % of GNI 2000 0.00487354903631974 2001 0.0106426904045894 2002 0.0138951341685334 2003 0.00310137176526678 2004 0.0131012182010835 2005 0.00475279163605803 2006 0.00361758913704634 2007 0.112017030548253 2008 0.220513427827463 2009 0.217808895848201 2010 0.332974074377841 2011 0.506386890173044 2012 0.693364354492511 2013 0.639073849157417 2014 0.462545469593043 2015 0.187460637948958 2016 0.0196233222936522 2017 0.0490166182468506 2018 0 2019 0 2020 0 2021 4.48328103979136