Year % of GNI 1970 0.110334359575999 1971 0.129065013123903 1972 0.143462011920354 1973 0.241084293057967 1974 1.20270244034698 1975 0.870875750741711 1976 1.0838372387119 1977 1.23404755533951 1978 2.99195072469505 1979 8.12290519824714 1980 9.05039091305645 1981 5.80629058188904 1982 3.6069281098153 1983 5.58954618164792 1984 6.04202740476271 1985 6.26310655367874 1986 2.85910884450214 1987 3.01701672885005 1988 2.35588851141825 1989 2.14788256877642 1990 2.48227821908538 1991 0.859888561576073 1992 0.905228739030124 1993 1.00394252477876 1994 0.762483791897359 1995 0.704354009837284 1996 0.848323403285458 1997 0.689039406188768 1998 0.35018397077062 1999 0.609810944461817 2000 0.988574737779185 2001 0.673779924441835 2002 0.652899699206884 2003 0.711801101816295 2004 0.61696296428852 2005 0.77264452506241 2006 0.853616633010173 2007 0.775997798299747 2008 0.89860959253876 2009 0.412670050507661 2010 0.480650156268263 2011 0.82242712702382 2012 0.664350835710216 2013 0.576908865552091 2014 0.591112982801342 2015 0.24877815163583 2016 0.114996035543677 2017 0.157566712184688 2018 0.321731219100192 2019 0.327780706797745 2020 0.157267891279944 2021 0.294884609045612