Year % of GNI 1960 6.541937516378081 1961 3.538688374244635 1962 4.506479344750463 1963 7.013574345411564 1964 5.186429770189411 1965 4.655358021803748 1966 5.724177328899785 1967 3.0490293300928077 1968 2.7676377758310244 1969 5.001476088177719 1970 4.083965558166295 1971 6.954765517764414 1972 6.706313627844946 1973 9.81033425317289 1974 5.450446179194481 1975 5.15660377018354 1976 5.420897499818718 1977 10.554274139013966 1978 23.17159703030381 1979 36.17134324800624 1980 28.604057621295404 1981 23.653029839544885 1982 19.1650480698594 1983 20.646517398098283 1984 18.83095942203491 1985 21.264997542469267 1986 23.869063047472235 1987 20.27136190276663 1988 26.096129751188947 1989 7.446122231476612 1990 7.371902677661296 1991 8.510366945357314 1992 4.753462724658938 1993 3.2770331459205875 1994 4.000206763447367 1995 3.0362775354342455 1996 0.8072054163006844 1997 1.292678674249069 1998 1.1212254446912082 1999 0.9550797529480067 2000 1.186863407663846 2001 1.9422481243223766 2002 1.757409852595868 2003 1.1951188526923133 2004 1.1690288065402954 2005 1.2088611225900145 2006 1.0051313685164953 2007 0.9709072587523061 2008 1.6783974953430043 2009 0.9647698514281227 2010 0.7165945847652536 2011 0.6336241015755727 2012 0.8765833373861966 2013 6.743984315214273 2014 2.213882200064182 2015 2.0321887424502636 2016 2.49239502811299 2017 2.4114872097062943 2018 2.594315780553914 2019 2.8134692785597113 2020 3.703116299362171 2021 2.307933478721197 2022 1.6350802696144289