Year	% of government expenditure on education
1974	9.69668
1975	13.23993
1978	16.24728
1979	16.92419
1980	17.13588
1981	14.81841
1987	18.21446
1990	17.79819
1993	13.68655
1994	18.0941
1995	16.80571
1996	19.64315
1997	19.57906
1998	33.2911
2000	34.26986
2002	35.30187
2003	38.38326
2004	38.00873
2005	38.99647
2006	38.60399
2007	38.36206
2008	37.86879
2009	35.23236
2010	32.53252
2011	32.46946
2013	29.65169
2014	27.97542
2015	29.36544
2016	29.06897
2017	28.47031