Year % of GNI 1976 26.96671710589514 1977 23.323556803944555 1978 24.481017597524744 1979 28.478509855699688 1980 26.208545350292574 1981 25.88780458492608 1982 23.463984355115947 1983 27.548939816520004 1984 26.528180389132302 1985 24.702594161214403 1986 20.234117625148297 1987 24.090399451454058 1988 23.936065495885497 1989 24.003635386221976 1990 24.239272286533417 1991 23.223882230299814 1992 22.938004519691155 1993 20.9125074930897 1994 22.40518036426702 1995 21.34806940758394 1996 23.86880801817797 1997 22.652785750962682 1998 22.776008047615054 1999 23.671761559037066 2000 23.19000648503859 2001 23.01962427707683 2002 21.16101610041192 2003 21.09518736460541 2004 22.001268264158487 2005 21.30423396107124 2006 22.18274286107007 2007 21.882159147216786 2008 22.463791556353414 2009 22.033831494717074 2010 22.431783509932977 2011 17.272354648036252 2012 17.597958592088847 2013 15.545585638539361 2014 15.3921089358267 2015 13.287658080267736 2016 11.921631615487373 2017 11.227453385844644 2018 10.946852164160454 2019 10.525650587232297 2020 5.811051816265254 2021 8.863036024271903 2022 6.491977686054292