Year % of GNI 1990 1.4091639085629 1991 1.11424454850155 1992 1.15430024513194 1993 1.07791672066944 1994 1.16833870798437 1995 1.14063222961383 1996 1.15675446127281 1997 1.24889749290121 1998 1.3691445685284 1999 1.4923043973484 2000 1.48959975539863 2001 1.50280989701535 2002 1.6193291648649 2003 1.96766978299894 2004 1.85896753990456 2005 1.28372789019047 2006 1.3865778454064 2007 1.27156144178303 2008 1.1910051506137 2009 1.16665607104743 2010 1.13800154767456 2011 1.11825865532371 2012 1.155758875306 2013 1.15258594536113 2014 1.12968772370702 2015 1.20227134267773 2016 1.21883419996629 2017 1.15633100179512 2018 1.2112991439077 2019 1.30832873531333 2020 1.39346885621818 2021 1.36457654784264