Year	% of government expenditure on education
1978	65.92343
1979	61.28687
1980	64.79094
1981	74.72908
1987	62.32945
1988	62.36084
1989	63.7635
2000	48.17785
2007	46.26699
2008	45.59538
2010	36.73722
2011	31.8464
2012	36.24898
2013	30.11024
2015	32.66495
2016	34.61112
2018	28.56429