Year % of GNI 1970 0.7 1971 2.7403844 1972 2.7403844 1973 2.7403844 1974 2.7403844 1975 0.8 1976 0.9 1977 0.8 1978 0.9 1979 0.9 1980 1 1981 1.1 1982 3.0180866 1983 3.0180866 1984 3.0180866 1985 3.0180866 1986 3.0180866 1987 3.0180866 1988 3.0180866 1989 3.0180866 1990 3.0180866 1991 3.0180866 1992 3.0180866 1993 3.0180866 1994 3.0180866 1995 2 1996 2.2825769 1997 2.2825769 1998 2.3 1999 2.42 2000 2.54 2001 2.66999999999995 2002 2.8 2003 2.77 2004 2.765 2005 2.76 2006 2.76 2007 2.81 2008 3.41 2009 3.63 2010 3.16 2011 3.15 2012 3.53553042021418 2013 3.63891380935666 2014 3.74229719849919 2015 3.8456805876417 2016 3.74975472972921 2017 3.62696000616013 2018 3.56574997019703 2019 3.35235653853383 2020 3.35235653853383 2021 3.35235653853383