Year % of GNI 1995 0.4601411125387958 1996 0.482082848035922 1997 0.4775229113180365 1998 0.1335021478755186 1999 0.3053663841769162 2000 0.7218415398352088 2001 0.6852255489685501 2002 0.5259553853151938 2003 0.4868178925975631 2004 0.48899194932086537 2005 0.549663853341167 2006 0.732766309109982 2007 0.729941507028245 2008 0.8837944155377739 2009 0.6188353609811262 2010 0.759551195955811 2011 1.0977535955935998 2012 1.0874049724158255 2013 0.9029414815385097 2014 0.693055598963159 2015 0.5686651375967055 2016 0.41938099603423806 2017 0.5217224824991398 2018 0.5980802369828747 2019 0.462903313158106 2020 0.305707601664697 2021 0.464334270981961