Year	% of government expenditure on education
1980	25.1021
1981	23.10769
1982	20.77035
1983	20.7384
1984	20.17942
1985	19.68395
1986	18.17836
1990	20.66812
1991	22.27984
1992	21.22525
1993	21.72327
1994	21.09059
1995	21.6716
1996	21.47246
1997	18.28724
1999	21.53278
2000	21.65496
2001	22.05146
2002	22.78215
2003	24.41378
2004	26.63196
2005	24.13942
2006	24.25454
2007	24.59128
2008	24.99928
2009	27.02453
2010	28.17329
2012	28.12726
2015	23.93817