Year	% of government expenditure on education
1970	24.64275
1979	33.86135
1981	25.94933
1984	26.51963
1987	36.3354
1992	30.04601
1996	25.58196
1998	28.6962
1999	33.01886
2000	29.3135
2007	33.25883
2008	35.89322
2009	35.35058
2010	25.57905
2011	29.31078
2012	14.34092
2013	15.84563
2014	17.49651
2015	16.26494
2016	16.01789