Year	% of government expenditure on education
1971	34.15827
1972	33.31471
1973	35.36806
1974	35.00611
1976	29.06124
1977	29.41011
1991	39.30911
1999	33.21971
2000	35.54464
2001	32.81314
2002	33.86607
2003	35.00732
2004	32.47932
2005	31.69585
2007	32.48282
2008	29.36943
2009	28.94022
2010	29.63741
2012	29.93281
2013	24.86012
2014	22.47617
2016	39.30671