Year % of GNI 1970 4.3 1971 4.3 1972 4.3 1973 4.3 1974 4.3 1975 4.3 1976 4.3 1977 4.3 1978 4.3 1979 4.3 1980 4.3 1981 4.3 1982 4.3 1983 4.3 1984 4.3 1985 4.3 1986 4.3 1987 4.3 1988 4.3 1989 4.3 1990 4.3 1991 4.3 1992 4.3 1993 4.3 1994 6.0989871 1995 6.0989871 1996 6.0989871 1997 6.0989871 1998 3.0113683 1999 3.30509464000004 2000 3.59882098000002 2001 3.89254731999999 2002 4.18627365999997 2003 4.48 2004 3.94 2005 4.32 2006 4.66193956074434 2007 5.00387912148863 2008 5.34581868223301 2009 5.68775824297746 2010 4.07836409712519 2011 3.39815055007937 2012 5.57 2013 3.78497340429347 2014 3.39246032911596 2015 4.18904131610517 2016 3.98127732416525 2017 3.98127732416525 2018 3.98127732416525 2019 3.98127732416525 2020 3.98127732416525 2021 3.98127732416525