Year	% of government expenditure on education
1972	13.58038
1989	22.40084
1994	28.53681
1995	33.92011
1996	29.55313
1997	30.36174
2007	12.75693
2008	10.97822
2009	12.16564
2010	16.05356
2012	17.17783
2013	16.4055
2014	15.05278
2015	15.80023