Year % of GNI 1975 23.284360515753644 1976 23.501667779244908 1977 23.047559031505976 1978 23.38593425394362 1979 23.223271069589227 1980 22.348950622539288 1981 20.765315728757493 1982 20.46178220264136 1983 20.744350755355093 1984 21.405956104633347 1985 21.483539591221266 1986 22.324774393385503 1987 21.936066615533658 1988 22.889078006095804 1989 23.21611342449218 1990 23.350578279990916 1991 22.564851645511702 1992 21.834565493589206 1993 21.389295579146534 1994 21.795424505774385 1995 22.76640020299868 1996 22.466870569005366 1997 22.961512618991023 1998 23.298900844541443 1999 22.98315768345835 2000 22.915314104791776 2001 22.874753344614792 2002 22.663966655563147 2003 22.25299739296043 2004 22.925592919436387 2005 22.89787157517895 2006 23.74534269219598 2007 24.418936260558752 2008 23.322747535130613 2009 20.999022061014422 2010 21.626182707814834 2011 22.40885217346223 2012 22.126117765063828 2013 22.432591430120166 2014 23.09981529698046 2015 23.912314076352544 2016 24.27485863862989 2017 24.815794094610517 2018 25.18018683598166 2019 25.5856960140312 2020 24.880925015804134 2021 26.635337237590853 2022 25.52502210035549 2023 25.702618330142045