Year % of GNI 1974 17.1044057284462 1975 17.9284767410741 1976 19.5113390598906 1977 17.3160942941383 1978 16.2848239288873 1979 19.1715285784539 1980 14.2648919809139 1981 18.1182973225527 1982 17.4954291924993 1983 14.3656230335036 1984 14.9965506822467 1985 20.5158814762797 1986 24.2234890405515 1987 8.06731071845668 1988 11.9724004498787 1989 10.5086061865245 1990 6.6674358650585 1991 3.13400217849992 1992 3.02610727330268 1993 3.59039236987697 1994 1.97523005636713 1995 3.95769069159618 1996 6.35233766428939 1997 5.29245366516799 1998 10.3946848292055 1999 5.74062340561547 2000 5.64904836564499 2001 3.9161833397604 2002 4.4791632007168 2003 3.72874558024325 2004 6.01720186078794 2005 7.86480003457039 2006 9.13969928191742 2007 8.41067760354536 2008 9.1313993340152 2009 5.79021935703743 2010 6.85866002988223 2011 8.75702904325477 2012 8.94388170611296 2013 9.90557257016423 2014 10.4493876564384 2015 10.6611730886612 2016 10.0278163303745 2017 10.9467320310925 2018 13.9177546577826 2019 10.878195092935 2020 11.7160386650491 2021 15.4276393038891