Year % of GNI 1970 6.4452018 1971 6.4452018 1972 6.4452018 1973 6.4452018 1974 6.4452018 1975 6.4452018 1976 6.4452018 1977 6.4452018 1978 6.6 1979 6.5 1980 7.6 1981 7.4 1982 7.6 1983 6.7 1984 6.8 1985 6.9 1986 7.4 1987 7.1 1988 6.5 1989 6.4 1990 6.1 1991 6.9 1992 7.2 1993 6.9 1994 5.7 1995 5.1 1996 4.9 1997 6.0959161 1998 7.0931853 1999 7.18659265000001 2000 7.28 2001 7.51 2002 8.14 2003 8.56500000000011 2004 8.99 2005 9.19 2006 8.11 2007 11.7 2008 14.01 2009 13.27 2010 13.01 2011 13.01 2012 13.01 2013 13.01 2014 13.01 2015 13.01 2016 13.01 2017 13.01 2018 13.01 2019 13.01 2020 13.01 2021 13.01