Year % of GNI 1971 1.06072940663376 1972 0.838432405783793 1973 0.852595678214466 1974 1.59695940325746 1975 0.933973985102405 1976 0.98062512964929 1977 1.21976175360624 1978 1.58455103125081 1979 1.62635674560052 1980 1.606808624905367 1981 1.5588977314156596 1982 1.2008189373477114 1983 0.902074833253115 1984 1.6750117499581747 1985 1.4077749480571824 1986 1.0471975836208096 1987 0.825022788153892 1988 0.680233989284787 1989 0.9012325374592902 1990 1.052215175047295 1991 1.295523055465628 1992 1.2782862038165546 1993 0.5786249525095247 1994 0.6293181883221368 1995 0.334855919328868 1996 0.452908040295319 1997 0.35737431843291173 1998 0.3285859205888335 1999 0.24841079035857888 2000 0.2443911548439788 2001 0.2909314138687011 2002 0.3082936766141757 2003 0.367777049013354 2004 0.48329090154612636 2005 0.6223990239546394 2006 1.1484343538779045 2007 1.1250942964563087 2008 1.2565905955291619 2009 0.6615704850514951 2010 0.333985081239795 2011 0.675994246787999 2012 0.568909525818061 2013 0.544063546605858 2014 0.520627994747941 2015 0.135790425831047 2016 0.17701306669742276 2017 0.33370802057544446 2018 0.4360361750611802 2019 0.2095251603223769 2020 0.17746107516208032 2021 0.3174376305965261