Year % of government expenditure on education 1971 13.38306 1972 17.20517 1973 22.2002 1974 20.16288 1983 20.39546 1984 18.4907 1985 18.837 1988 17.96384 1989 16.71818 1993 15.64946 1994 18.89307 1995 13.73373 1997 23.38802 1999 21.86322 2000 16.71094 2001 18.63831 2005 36.44391 2006 36.81825 2008 36.38363 2018 7.40778