Year % of GNI 1960 0.39384897571925864 1961 1.393858666929747 1962 1.5239283225148657 1963 0.9066548606867977 1964 1.2246615609517564 1965 1.0175142798474721 1966 0.7933839463110808 1967 0.8837116529527924 1968 0.8286921564124368 1969 0.7436933123431915 1970 1.7897278418904385 1971 2.0391267335422243 1972 1.7618316089106585 1973 2.41593872831286 1974 3.258787590729204 1975 5.121256397124586 1976 4.121150685618699 1977 4.385790874002732 1978 4.558202894759222 1979 5.983464946161826 1980 5.928886186999935 1981 5.310231802049134 1982 4.8835827524547435 1983 4.189667597865308 1984 4.270966031718025 1985 3.1324359958649683 1986 6.152564675653095 1987 11.579775058646742 1988 13.94752233779521 1989 14.53419513872376 1990 19.392510757229296 1991 15.301643784922717 1992 20.54043120277732 1993 15.691404819390822 1994 15.063594562182638 1995 11.610962052508642 1996 9.263522654385135 1997 8.551953231530812 1998 8.298949567873748 1999 7.908483729460973 2000 8.027972190215877 2001 9.62181663916816 2002 8.972231055977584 2003 11.47472555401964 2004 10.768051493627013 2005 8.256609005221392 2006 10.13641088267917 2007 10.713010907122227 2008 6.904407849463566 2009 7.895465309624533 2010 9.417000786152496 2011 7.179017872288707 2012 7.221651071371675 2013 7.638633977278293 2014 5.3596049077389925 2015 5.536581890762842 2016 4.748101570729224 2017 4.940061374603102 2018 4.355892026776088 2019 3.5424493653507922 2020 3.513664491628406 2021 3.768925968882163 2022 3.574072371625113