Year	% of government expenditure on education
1979	42.29683
1980	36.04268
1981	48.21922
1990	51.46103
1991	54.52239
1992	52.54968
1993	48.837
1995	26.20979
1996	26.83324
1998	26.33369
1999	26.51768
2000	27.89425
2001	27.32787
2002	27.98942
2003	27.55029
2004	26.9065
2005	26.23802
2006	24.90185
2007	25.0466
2008	24.60966
2009	24.07469
2010	24.2866
2011	24.25941
2012	21.98401
2013	22.37995
2014	22.78019
2015	23.34384
2016	24.1059