Year % of GNI 1984 41.0054364617439 1985 38.5529098880836 1986 43.3340938903296 1987 44.8425324459838 1988 41.8373888908543 1989 42.5610624014347 1990 57.2260008547194 1991 55.222756045189 1992 30.7603728249829 1993 31.8312010830748 1994 28.7935448367254 1995 28.6641241728823 1996 26.9324064558317 1997 20.4257393405221 1998 18.8081331737153 1999 18.0521109757675 2000 13.5562517873628 2001 6.34174471719582 2002 4.52698427276941 2003 2.52188350177177 2004 4.13110832640327 2005 7.17172069915687 2006 13.4588782510737 2007 12.4701448567272 2008 10.1328267932077 2009 11.1445892581005 2010 8.47315884566893 2011 10.0502013810236 2012 8.58460511529942 2013 6.41962856046921 2014 7.09766542795407 2015 9.77823843473187 2016 10.1426319950421 2017 7.11722113680336 2018 4.40141253092997 2019 5.01807410430142 2020 10.5698976080143 2021 7.47053950524953