Year	% of government expenditure on education
1970	17.56728
1971	18.93137
1972	18.60307
1973	18.92359
1974	17.60462
1975	17.64809
1976	16.81163
1977	17.63708
1978	17.34708
1979	18.54749
1980	19.86338
1981	20.10699
1982	19.66839
1983	19.99105
1984	19.68156
1985	19.13421
1986	19.84031
1987	20.27419
1988	20.39868
1989	20.79405
1990	20.92507
1991	21.15714
1993	20.67873
1994	20.50509
1995	19.91414
1996	19.74487
1998	20.34507
1999	22.30876
2000	22.29218
2001	23.111
2002	24.22523
2003	27.0848
2004	27.942
2005	25.95954
2006	26.59321
2007	25.4512
2008	23.99906
2009	25.14305
2010	25.30709
2011	25.99618
2012	26.3081
2013	26.14603
2014	26.37799
2015	26.2626
2016	26.00316