Year	% of government expenditure on education
1972	28.26116
1973	7.07126
1974	10.59844
1975	13.77322
1976	16.33646
1977	19.52576
1979	26.26746
1980	35.95222
1981	30.26092
1982	32.25552
1983	29.51693
1984	27.00526
1985	27.89809
1993	24.62626
1997	21.06469
1998	17.16067
2005	10.08655
2006	12.88935
2007	12.74656
2008	15.36154
2009	15.38791
2011	13.47785
2012	15.19973
2015	0.00634
2016	0.00583
2017	0.0058