Year	% of government expenditure on education
1972	41.9637
1973	46.92022
1974	43.22447
1975	42.13665
1976	40.7289
1977	30.48485
1979	39.00951
1980	35.42633
1981	42.53324
1982	45.69773
1983	40.35615
1984	44.66023
1985	40.50954
1993	27.21057
1997	30.02267
1998	40.26915
2005	57.30637
2006	58.65435
2007	54.69952
2008	53.57201
2009	52.28206
2011	47.06569
2012	47.35179