Year	% of government expenditure on education
1986	25.65116
1989	25.53454
1991	43.6443
1998	26.11741
2000	25.47522
2005	31.72667
2007	31.78252
2009	41.08444
2010	36.26821
2016	32.68362
2017	31.79348
2018	31.54717