Year	% of government expenditure on education
1971	13.18595
1972	12.87168
1973	13.01985
1974	12.81771
1976	20.11263
1977	22.70667
1991	19.81777
1999	32.10928
2000	27.44123
2001	29.06154
2002	29.93282
2003	28.6243
2004	31.49998
2005	31.57781
2007	30.17642
2008	30.08956
2009	29.90298
2010	32.50573
2012	30.22184
2013	37.02109
2014	39.27677
2016	31.08689
2017	28.54073