Year % of GNI 1970 0.06854652053869291 1971 0.0916656634224384 1972 0.11071366830005275 1973 0.23337872629014803 1974 0.9612046521864519 1975 0.8140516722098918 1976 0.9637923055385758 1977 0.8821994362838853 1978 1.0135022019322077 1979 2.664079943805568 1980 3.567469538678167 1981 2.932476469381851 1982 2.779115934424747 1983 3.6824606359336673 1984 4.4267279930136585 1985 4.115270049331058 1986 1.9657971776401708 1987 2.9751081491157336 1988 2.023232303340102 1989 1.8264432473545766 1990 2.384080851360364 1991 1.2576647444378686 1992 1.2341919855787 1993 1.0397517963443526 1994 0.8809668094195865 1995 0.9785424617273515 1996 1.2174881801957644 1997 0.9622170891040357 1998 0.543507314852004 1999 1.1613444424426071 2000 1.9263668079496716 2001 1.5083081838407986 2002 1.8302484899121696 2003 2.158780370891269 2004 2.5531508148816138 2005 3.276567271024226 2006 3.4156572989100153 2007 2.978442336708147 2008 3.478854333920139 2009 1.9107283492304181 2010 2.1369779480380213 2011 2.995238052329802 2012 2.8925355130483252 2013 2.582815346978327 2014 2.3826039294386145 2015 1.1068629337470606 2016 0.8479593652945299 2017 1.0971220183254613 2018 1.7824317570316845 2019 1.5136136095503636 2020 0.8697862714038698 2021 1.9824182321820847