Year	% of government expenditure on education
1979	23.35616
1980	25.52646
1981	22.79936
1984	20.62349
1985	22.49012
1989	18.79159
1998	19.59094
1999	19.07028
2000	19.87775
2001	19.87471
2004	13.3083
2005	13.81403
2008	22.04587
2009	19.59373
2010	22.10541
2011	20.60527
2012	21.97269
2013	17.72644
2014	20.75521
2015	21.38159
2016	22.97659
2017	22.49238
2018	23.31461