Year % of GNI 1970 2.3943886 1971 2.3943886 1972 2.3943886 1973 2.3943886 1974 2.3943886 1975 2.3943886 1976 2.3943886 1977 2.3943886 1978 2.3943886 1979 2.3943886 1980 2.3943886 1981 2.3943886 1982 1.6 1983 1.8 1984 1.7 1985 2 1986 1.8 1987 1.9 1988 1.9 1989 2 1990 2 1991 2 1992 2.7363219 1993 1.9 1994 2.1 1995 3.993439 1996 2.8 1997 2.8 1998 3.4267446 1999 2.3 2000 2.43 2001 2.38 2002 2.33 2003 2.64499999999996 2004 2.95999999999994 2005 3.27500000000001 2006 3.59 2007 3.69 2008 3.82 2009 3.14 2010 2.96 2011 3.66 2012 3.64 2013 2.88 2014 2.84717082084038 2015 3.07445529644556 2016 3.07445529644556 2017 3.07445529644556 2018 3.07445529644556 2019 3.07445529644556 2020 3.07445529644556 2021 3.07445529644556