Year	% of government expenditure on education
1971	26.18783
1990	31.47653
1991	33.14483
1992	30.40688
1993	31.62288
1994	33.08172
1995	31.62534
1996	32.31894
2006	21.5495
2007	19.43827
2008	21.24667
2009	20.92634
2010	21.27996
2011	24.27781
2012	23.82971
2013	25.09039
2014	29.12006
2015	32.16961
2016	17.42288
2017	17.61152