Year	% of government expenditure on education
1970	21.26841
1971	15.30425
1985	23.57369
1990	25.76929
2000	17.27933
2001	17.0771
2002	16.46314
2003	17.11378
2004	15.91803
2007	19.14574
2010	18.53815
2011	33.48379
2012	22.39749
2016	23.32598