Year	% of government expenditure on education
1970	9.30186
1971	14.2855
1973	17.4647
1975	27.37136
1978	22.02762
1979	24.91557
1980	25.62575
1994	29.78581
1995	27.52637
2002	25.46646
2005	25.91235
2010	10.87259