Year	% of government expenditure on education
1970	51.77467
1971	44.79253
1972	53.45784
1976	61.54499
1977	61.73419
1978	53.13642
1979	57.97406
1987	29.8812
1988	28.02842
1989	26.48041
1990	24.59433
1991	23.1865
1992	23.12393
1993	21.16708
1994	21.29461
1995	22.92715
1996	24.60087
1998	25.8226
1999	26.52511
2000	25.82618
2001	26.08963
2002	25.81827
2003	25.71691
2004	25.98275
2005	25.77435
2006	25.70718
2007	25.41683
2008	25.38798
2009	25.30394
2010	25.54465
2011	25.54465
2012	25.94887
2013	26.1203
2014	26.32772
2015	26.64219
2016	26.93569