Year % of GNI 1970 0.8320910677769684 1971 1.0075720772759005 1972 0.9584645585094755 1973 1.4894329884361985 1974 5.730115653657037 1975 4.0416967735779386 1976 3.9462184425888664 1977 3.059511955311738 1978 2.9043070073403894 1979 6.77835865637235 1980 6.558525991090991 1981 4.8740610884022635 1982 3.562069399632502 1983 4.504430171648765 1984 5.11592975846992 1985 4.292083787007594 1986 2.0473416395982973 1987 3.161060671951851 1988 2.1472909588150757 1989 2.0501844354737395 1990 2.7373080114845587 1991 1.4636597948399055 1992 1.4178642600050657 1993 1.206497065558089 1994 1.0340374107661228 1995 1.1518434314433268 1996 1.4598804992543941 1997 1.169922449223273 1998 0.6436362514874167 1999 1.3001680234199589 2000 2.160624589753993 2001 1.704864135662897 2002 2.02129385318189 2003 2.3151463902169676 2004 2.755090494564616 2005 3.550859758634692 2006 3.63398914229315 2007 3.0791613537769034 2008 3.4027837515167785 2009 1.8220714427465512 2010 1.9863829494294243 2011 2.8643636300479147 2012 2.71687530766868 2013 2.4381697945968814 2014 2.1988662348688717 2015 1.0656397192214506 2016 0.8065431764163419 2017 1.0438133942187722 2018 1.6944495739019503 2019 1.450734195804512 2020 0.8245939380987031 2021 1.8605152660280309