Year % of GNI 1990 0.564185890841229 1991 0.759203195099171 1992 0.848956240242778 1993 0.9033121680137876 1994 1.1442279281524814 1995 0.9429433044329985 1996 0.8434794454971571 1997 0.8724679019523848 1998 0.9545595879853407 1999 1.0387248816787262 2000 1.0330235402574757 2001 1.1444183741093135 2002 1.1835882076481545 2003 1.1914335335605206 2004 1.1415727839216032 2005 1.1230905872325179 2006 1.074954624052616 2007 1.0184722096575505 2008 0.9248095543732232 2009 0.9562748155315923 2010 0.9356028920743181 2011 1.0451814884891706 2012 1.1031046969272702 2013 1.0494483817763993 2014 1.0639296154129725 2015 1.1443190242791792 2016 1.1909585287709659 2017 1.250601146407876 2018 1.3192913621573166 2019 1.3608888291732788 2020 1.4274202833208565 2021 1.4240972463675157