Year	% of government expenditure on education
1971	23.75912
1972	25.06369
1973	24.46063
1974	23.22398
1975	21.76194
1976	20.74074
1977	21.51866
1980	22.42626
1981	23.02427
1982	22.81192
1983	22.69803
1984	21.91608
1985	22.58611
1986	21.0873
1987	20.7827
1988	20.16751
1989	20.07865
1990	20.44396
1991	20.68082
1992	21.79378
1994	23.02001
1995	23.62598
1996	23.73445
1998	21.94441
1999	20.11308
2000	17.54055
2001	17.23762
2002	20.63792
2003	19.76077
2004	19.29337
2005	22.29214
2006	20.10144
2007	17.38604
2008	15.70931
2009	14.36972
2010	16.39469
2011	22.09704
2013	23.9586
2014	24.32627
2015	22.82077
2016	25.61589
