Year % of GNI 1970 0.09141655469702684 1971 0.09560247969126223 1972 0.09410106804013897 1973 0.1090897015165898 1974 0.2137345943003727 1975 0.3052492533435538 1976 0.34543881467201654 1977 0.34565965158493484 1978 0.307718257004388 1979 0.5270278177404002 1980 0.6235139565435271 1981 0.6490833276468182 1982 0.5250864829779933 1983 0.6292235374214252 1984 0.6840271878957397 1985 0.6918302177260965 1986 0.2605341007038319 1987 0.26484478914485227 1988 0.21129610313079783 1989 0.30203670928645926 1990 0.3276914239017069 1991 0.18660821768994346 1992 0.32573160741416196 1993 0.35534196019560577 1994 0.3182395163224101 1995 0.35319177677117763 1996 0.43841765109502834 1997 0.3878917990381707 1998 0.11332602599163667 1999 0.28489716008884475 2000 0.7377505178829298 2001 0.698142746292666 2002 0.6398716302761175 2003 0.6285574391936875 2004 0.7197055204504447 2005 0.9074598379698618 2006 1.0860351412318008 2007 1.0117995453339794 2008 1.4000281926354903 2009 0.879070062980475 2010 1.0133669622089658 2011 1.426355327446533 2012 1.345313727624854 2013 1.198741366155938 2014 1.0320757186988312 2015 0.6013993915842379 2016 0.469918167228466 2017 0.6454007764089839 2018 0.9738569061692242 2019 0.8900753699417697 2020 0.50756645577467 2021 1.3315752476458034