Year % of GNI 1970 0.0383439725656392 1971 0.0444738533045437 1972 0.320247811935599 1973 0.480321119569548 1974 0.433797153184409 1975 0.385064647770962 1976 0.367573531296789 1977 0.318999438094798 1978 0.124521416552829 1979 0.395443111886652 1980 0.700774081481956 1981 0.426747151572122 1982 0.185052778556811 1983 0.278288204488862 1984 0.192220430166843 1985 0.363265891879958 1986 0.162556821890873 1987 0.321451776943731 1988 1.32987188605707 1989 0.972629085113659 1990 0.419587094237547 1991 0.295184963110298 1992 0.160579757474371 1993 0.0507592787609341 1994 0.670063545730274 1995 0.959774530219622 1996 0.483939726301829 1997 0.341948308471375 1998 0.0129655415967534 1999 0.128089725013705 2000 0.239056560226253 2001 0 2002 0.00613918037485285 2003 0.41847745129446 2004 0.981842751681906 2005 0.570564684061821 2006 1.24961744648448 2007 1.99440242183961 2008 0.123381543090131 2009 0.0541625308690523 2010 0.0685474070487021 2011 0.164639301542484 2012 0.272582060498118 2013 0.755429681651345 2014 0.75026948431137 2015 0.35629813224042 2016 0.968383512621116 2017 0.777061793513629 2018 0.650184635519988 2019 0.703450277602589 2020 0.80246958988125 2021 1.41526739617125