Year % of GNI 1970 3.822625 1971 3.822625 1972 3.822625 1973 3.822625 1974 3.822625 1975 3.822625 1976 3.822625 1977 3.822625 1978 3.822625 1979 3.822625 1980 3.822625 1981 3.822625 1982 3.822625 1983 3.822625 1984 3.822625 1985 3.822625 1986 3.822625 1987 3.72933593749998 1988 3.63604687499999 1989 3.54275781249997 1990 3.44946874999998 1991 3.35617968749997 1992 3.26289062499998 1993 3.16960156249999 1994 3.07631249999998 1995 2.98302343749999 1996 2.88973437499997 1997 2.79644531249998 1998 2.70315624999997 1999 2.60986718749998 2000 2.51657812499999 2001 2.42328906249998 2002 2.33 2003 2.54 2004 2.8 2005 5.27 2006 4.24 2007 5.24 2008 4.99 2009 7.51 2010 7.66 2011 5.56499999999929 2012 3.47 2013 5.08 2014 3.48 2015 3.48 2016 3.48 2017 3.48 2018 3.48 2019 3.48 2020 3.48 2021 3.48