Year	% of government expenditure on education
1971	49.94681
1972	44.98235
1977	34.70206
1978	35.72877
1979	37.15507
1980	38.86876
1981	40.31084
1982	41.52726
1983	41.35266
1984	42.4988
1985	43.80119
1986	45.20889
1993	46.0365
1996	51.19273
1997	46.41294
2009	33.95361
2010	28.39528
2011	26.51449
2012	24.45891
2013	24.04599
2014	30.47454
2015	27.45268