Year	% of government expenditure on education
1972	19.74472
1973	22.1235
1975	19.85286
1976	37.4881
1977	32.55381
1978	27.50068
1979	27.35454
1980	26.30541
1981	26.04654
1982	23.30029
1984	27.83678
1985	28.02524
1986	23.83763
1987	21.85545
1988	24.57117
1989	20.79032
1996	22.50215
2001	19.8567
2002	20.99096
2003	22.30566
2004	24.82162
2006	19.84422
2007	21.33539
2008	24.94433
2009	24.22278