Year	% of government expenditure on education
1970	30.76972
1972	27.58503
1973	31.80341
1974	34.87111
1975	36.92761
1976	37.44791
1978	33.3384
1979	32.00354
1980	44.08725
1992	49.47249
1993	49.89651
1994	49.25645
1995	47.40749
1996	44.66425
1997	43.89168
1998	43.1724
1999	41.68008
2000	41.55833
2001	42.21462
2006	45.77992
2007	43.95862
2008	43.09156
2009	41.76716
2010	42.66416
2011	39.55984
2012	39.59923
2013	39.28107
2014	39.09514
2015	41.4065
2016	44.45114
2017	39.52525
2018	47.29398