Year	% of government expenditure on education
1970	15.2677
1972	13.94633
1973	13.79976
1974	18.83858
1975	18.12563
1976	15.93877
1978	22.70772
1979	23.8944
1980	15.28025
1992	14.81622
1993	15.25327
1994	16.71696
1995	18.55619
1996	18.26501
1997	19.72602
1998	23.51193
1999	20.80258
2000	22.04268
2001	19.42326
2002	17.32955
2003	18.69688
2004	20.22161
2005	20
2006	21.9331
2007	23.9028
2008	23.77474
2009	21.93434
2010	22.23469
2011	25.85954
2012	24.76669
2013	24.89689
2014	21.02246
2015	21.4443
2016	21.8988
2017	26.03471
2018	14.02777