Year	% of government expenditure on education
1973	16.96947
1996	18.76041
1998	20.34462
2002	12.37572
2003	13.24595
2004	13.88347
2005	10.74968
2006	14.42556
2007	13.63151
2008	15.70794
2009	14.38184
2010	13.82178
2011	17.43478
2012	18.05857
2013	16.82477
2014	14.22039
2015	16.08268
2016	16.97907
2017	16.66902
2018	15.77045