Year	% of government expenditure on education
1971	15.86699
1972	18.50355
1977	20.33452
1978	16.67278
1979	15.50456
1980	20.06179
1981	18.58082
1982	17.85685
1983	16.5917
1984	15.85055
1985	16.10216
1986	16.27679
1993	13.50904
1996	15.01745
1997	15.92996
2009	39.12769
2010	43.93656
2011	44.87735
2012	46.83746
2013	42.71091
2014	45.92157
2015	47.8522