Year	% of government expenditure on education
1970	16.53528
1971	9.88327
1977	23.03266
1984	21.56844
1985	20.49441
1986	17.91753
1995	23.21022
1999	8.00464
2000	5.16006
2009	30.20973
2010	35.78782
2011	33.45215
2012	34.49249
2013	32.25039
2014	40.37434
2015	43.51374