Year	% of government expenditure on education
1990	13.69581
1993	22.35947
1994	19.95012
1995	19.21384
1996	16.41832
1999	18.00828
2000	18.08919
2001	17.8513
2002	18.06618
2003	18.5847
2004	18.54073
2005	19.1299
2006	17.97757
2007	18.88142
2008	19.70401
2009	20.3974
2010	21.46367
2011	19.42101
2012	19.39008
2013	19.36308
2014	18.80458
2015	18.88877
2016	19.91437