Year	% of government expenditure on education
1970	28
1972	27.69517
1973	31.71021
1974	32.3764
1975	25.97148
1976	25.0985
1977	40.324
1978	40.54391
1979	41.44551
1980	40.55377
1982	42.27821
1983	39.95483
1984	39.06241
1985	5.1061
1986	5.04961
1987	4.7429
1989	2.96848
1990	3.26374
1996	38.74074
1998	35.07048
1999	36.34503
2000	35.69129
2001	37.91883
2002	35.4339
2003	38.0148
2004	36.69546
2005	34.19573
2006	35.04241
2007	35.47537
2008	35.11319
2009	32.80265
2010	33.05494
2011	31.96866
2012	31.79885
2013	30.03234
2014	30.06039
2015	30.04134
2016	30.07402
2017	29.59458