Year % of GNI 1970 5.864068206756523 1971 6.186655321624828 1972 6.451230809865652 1973 6.774889845686388 1974 6.86108800208303 1975 7.628574446282405 1976 7.537943100238128 1977 7.621685501670523 1978 7.824774751044665 1979 8.195069792236895 1980 8.158746463135262 1981 8.045673300330389 1982 7.769701176557602 1983 7.779522995018633 1984 8.291141858761177 1986 7.816910954287066 1987 8.172932963255242 1988 7.6934974881514275 1989 8.115809649253887 1990 8.616488620667123 1991 8.690208647910508 1992 8.697840322219331 1993 8.995755628126606 1994 9.083473566005232 1995 9.172473730004128 1996 9.64493430879521 1997 9.669615732249238 1998 9.40548707412344 1999 9.59491532945847 2000 10.236132916813247 2001 9.90868978531078 2002 9.942668961773215 2003 9.875478459991626 2004 10.060697367801254 2005 9.902488110049164 2006 9.71582422059818 2007 9.71293322691491 2008 8.335228691364577 2009 8.590506374145798 2010 9.65937933785833 2011 9.7286695752395 2012 9.6964848041304 2013 9.77938082849488 2014 9.566678972429068 2015 9.659938342535808 2016 9.5113486224696 2017 9.509757290232967 2018 9.614718111905526 2019 10.038928739575852 2020 10.679104963744056 2021 10.883270808392774