Year	% of government expenditure on education
1970	6.53689
1979	24.77841
1981	27.87083
1984	25.68592
1987	26.53303
1992	32.88113
1996	23.25413
1998	21.78398
1999	21.99061
2000	17.38879
2007	21.43496
2008	20.10267
2009	14.44607
2010	16.73141
2011	16.02238
2012	18.3499
2013	22.20916
2014	21.68921
2015	17.32638
2016	17.9328
2017	17.74125