Year	% of government expenditure on education
1979	20.82412
1980	17.78881
1984	21.52922
1985	23.20469
1986	25.6589
1991	25.9211
1992	25.82397
1994	26.66829
1995	25.96812
1996	19.47496
2000	20.47811
2001	21.06631
2002	21.47357
2003	25.9395
2004	24.29814
2005	21.83285
2006	22.00231
2011	26.83334
2016	25.11407
2017	24.79632