Year % of GNI 1969 29.310496931720657 1970 29.013073572361176 1971 28.853220984759368 1972 29.144511514429677 1973 29.935805939747414 1974 29.14013974721956 1975 25.54625102685813 1976 25.945821388417922 1977 24.330665513786357 1978 22.97719253652562 1979 22.85410566074258 1980 22.945622877724634 1981 23.255358326575028 1982 22.73332895938574 1983 23.17275934806012 1984 25.78691877107689 1985 24.105877916417626 1986 24.57611136271976 1987 24.121606057967387 1988 25.49139333979098 1989 26.837102069832074 1990 25.925702291640707 1991 25.330516065280275 1992 24.748440711140287 1993 24.867210788431628 1994 25.68525070290124 1995 26.499660495280523 1996 27.091488185213763 1997 27.49060409738356 1998 26.105874421898815 1999 26.864826011501894 2000 27.189980076407974 2001 25.808002438956112 2002 24.3277250073791 2003 24.892148648486373 2004 25.321138808753645 2005 25.802409390901758 2006 26.937635204396805 2007 27.360776867802137 2008 25.66178677682774 2009 24.164939445018085 2010 26.249521668894978 2011 27.01317079105356 2012 26.284768470089375 2013 26.180437845504574 2014 26.61178688277137 2015 27.96302726271112 2016 28.28113836974371 2017 29.85809493409513 2018 30.39160717024802 2019 29.61699363490306 2020 27.81255244062167 2021 33.1111395787073 2022 30.789826091822892 2023 30.329949618846438