Year % of GNI 1970 9.3 1971 9.3 1972 9.3 1973 9.3 1974 9.3 1975 9.3 1976 9.3 1977 9.3 1978 9.3 1979 9.3 1980 9.3 1981 9.3 1982 9.3 1983 9.3 1984 9.3 1985 9.3 1986 9.3 1987 9.3 1988 9.3 1989 9.3 1990 9.3 1991 9.3 1992 9.3 1993 9.3 1994 9.3 1995 9.3 1996 9.3 1997 6.8836423 1998 5.2532142 1999 5.317812425 2000 5.38241065 2001 5.447008875 2002 5.5116071 2003 5.57620532500001 2004 5.64080355000001 2005 5.70540177500001 2006 5.77 2007 6.87 2008 6.53 2009 8.43 2010 7.72 2011 7.38 2012 6.99 2013 4.95241797669428 2014 6.1 2015 5.07330546518228 2016 4.85187006141528 2017 4.6609556226491 2018 4.58580046783543 2019 5.28464848168154 2020 5.54030457086247 2021 5.54030457086247