Year	% of government expenditure on education
1974	47.93494
1975	27.35102
1978	32.45636
1979	33.66482
1980	35.8439
1981	36.3581
1987	20.76482
1990	20.14737
1993	20.79722
1994	19.17723
1995	17.64221
1996	16.72845
1997	16.52374
1998	16.5246
2000	14.53464
2002	14.02741
2003	13.1512
2004	15.1174
2005	13.96576
2006	14.81158
2007	15.31078
2008	14.51448
2009	15.60172
2010	22.32997
2011	21.79243
2013	25.61457
2014	24.69634
2015	25.68189
2016	25.39554
2017	25.15363