Year	% of government expenditure on education
1970	20.65032
1971	17.81064
1972	18.53976
1973	21.10052
1974	20.73998
1975	21.79594
1977	19.44313
1978	17.87803
1979	16.62879
1980	17.40874
1986	23.37884
1987	21.85535
1988	23.32637
1989	17.87843
1991	21.28125
1993	26.01291
1994	25.91195
1995	24.24841
1996	23.74403
1998	26.12616
1999	28.98839
2000	30.00131
2001	32.09439
2002	31.97987
2003	29.9952
2004	29.82436
2005	28.67793
2006	28.3821
2007	29.197
2008	28.30347
2009	27.64096
2010	27.32889
2011	27.90448
2012	29.99536
2013	26.89384
2014	30.68284