Year	% of government expenditure on education
1970	19.25179
1971	19.80518
1972	16.13149
1974	15.08795
1976	16.25732
1977	16.03191
1978	14.80088
1979	13.49335
1987	14.69081
1988	15.13185
1989	16.02944
1990	18.37728
1991	18.97839
1992	19.3079
1993	17.81659
1994	17.41762
1995	18.09287
1996	19.85609
1998	19.78396
1999	20.0789
2000	21.78937
2001	22.80482
2002	22.84219
2003	23.21864
2004	22.8942
2005	22.36546
2006	22.25303
2007	22.86417
2008	23.07994
2009	22.82928
2010	23.43326
2011	23.43326
2012	22.30695
2013	22.43703
2014	22.49025
2015	22.35801
2016	21.79022