Year % of GNI 1970 4.1 1971 4.1 1972 4.1 1973 4.1 1974 4.1 1975 4.1 1976 4.1 1977 4.1 1978 4.1 1979 4.1 1980 4.1 1981 4.1 1982 4.1 1983 4.1 1984 4.1 1985 4.1 1986 4.1 1987 4.1 1988 4.1 1989 4.1 1990 4.1 1991 4.4638172 1992 4.4638172 1993 4.8 1994 4.4 1995 4.5 1996 4.7 1997 4.9657839 1998 6.4390798 1999 5.65 2000 5.73 2001 6.06 2002 6.6 2003 6.91 2004 6.79 2005 7.01 2006 7.04 2007 6.86 2008 8.36 2009 8.34 2010 8.06 2011 7.65 2012 8.18039986370129 2013 7.44258978053282 2014 7.58545281534908 2015 7.46188371877843 2016 7.44164286234324 2017 7.46709726498077 2018 7.48076933075896 2019 7.17038861205149 2020 7.17038861205149 2021 7.17038861205149