Year	% of government expenditure on education
1973	49.38199
1974	49.02371
1975	49.05163
1976	48.8921
1977	50.61688
1978	51.38749
1979	51.84627
1980	48.77474
1981	46.98006
1982	47.13974
1983	48.10538
1984	48.03068
1985	48.61634
1986	46.39983
1987	46.72061
1988	43.84058
1989	47.6661
1990	48.36898
1991	49.03274
1995	48.27018
1998	43.19333
1999	43.22537
2008	43.07103
2009	41.92745