Year	% of government expenditure on education
1971	28.51847
1972	30.07655
1977	36.54432
1978	37.58807
1979	35.00757
1980	31.80106
1981	29.78359
1982	32.31705
1983	38.50125
1984	35.8978
1985	34.44549
1986	33.51931
1993	30.44192
1996	26.27922
1997	23.79693
2009	24.32833
2010	25.01587
2011	25.59501
2012	25.30281
2013	29.30751
2014	16.56876
2015	18.13888