Year	% of government expenditure on education
1971	11.31444
1979	13.92735
1980	14.77585
1981	15.5598
1982	15.96446
1984	16.59181
1985	17.96863
1986	18.0641
1987	17.36734
1992	21.43599
1993	17.97879
1994	18.12548
1995	20.00828
1996	23.81296
1997	29.03226
2000	32.06252
2001	34.25096
2002	33.2994
2003	34.98647
2004	33.44521
2006	36.13291
2007	33.02901
2009	35.94429
2010	34.45404
2011	36.96771
2012	28.4681
2013	30.50736
2016	23.3901
2017	20.9924
2018	21.34708