Year % of GNI 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0.189576750010468 2009 0.10756315102134 2010 0.0201511310007444 2011 0.0453038331674305 2012 0.0410032115164308 2013 0.0361636021096833 2014 0.0301291567658868 2015 0 2016 0.00674552760762738 2017 0.011052112794889 2018 0.0183749245859617 2019 0.013993925813168 2020 0.00732388785857935 2021 0.0185138495292042