Year	% of government expenditure on education
1975	48.74652
1976	48.53129
1981	53.53635
1998	24.95105
1999	21.62162
2000	34.35124
2001	34.39036
2002	21.11836
2003	21.61944
2005	30.00212
2015	36.1024
2018	19.40703