Year	% of government expenditure on education
1973	31.6586
1974	49.53443
1975	51.57931
1976	48.33231
1977	26.36319
1979	55.12845
1980	69.93714
1982	62.07159
1983	71.35882
1984	66.38753
1985	51.0904
1986	49.64849
1992	26.89972
1996	35.20611
1997	68.47217
2001	18.77848
2002	18.77843
2004	18.81727
2005	19.83133
2006	20.41517