Year	% of government expenditure on education
1970	37.70221
1971	35.68511
1972	37.22841
1973	36.89267
1974	36.67287
1975	37.11375
1976	37.85333
1977	37.98013
1978	40.02381
1979	40.8884
1980	42.36943
1981	42.85384
1982	45.70041
1983	43.63768
1984	43.27047
1985	41.84571
1986	40.28152
1987	40.17963
1988	43.47316
1989	44.04296
1990	42.99578
1992	42.32163
1993	42.23158
1994	41.88229
1995	20.60773
1996	20.7797
1998	19.70929
1999	18.93026
2000	19.08233
2001	19.07292
2002	18.10654
2003	16.909
2004	18.97679
2005	20.0893
2006	19.49534
2007	19.05888
2008	16.89833
2009	16.88135
2010	17.8417
2011	16.14951
2012	17.43041
2013	20.53072
2014	12.53291
2015	16.39606
2016	16.21778