Year	% of government expenditure on education
1986	73.1843
1989	70.05403
1991	53.77785
1998	63.51695
2000	48.64321
2003	39.23023
2005	40.9659
2007	51.92939
2009	41.89948
2010	41.38267
2016	37.51336
2017	36.5981
2018	36.89875