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 0.0178745422169787 2003 0.024686738007323 2004 0.0396843028957882 2005 0.0850926448113236 2006 0.112284503794766 2007 0.140196885406629 2008 0.138506564628074 2009 0.0349275129067223 2010 0 2011 0 2012 0.0570418941616766 2013 0.0509240385860012 2014 0.0459362185862528 2015 0.0177567007849928 2016 0.0138221212255343 2017 0.00503870204208134 2018 0.0076969668000433 2019 0.00560359290045729 2020 0.00293690165047445 2021 0.00807538237350335