Year	% of government expenditure on education
1970	37.82857
1971	37.49825
1973	35.1785
1975	39.74194
1978	27.91244
1979	33.71763
1980	30.16676
1994	13.60551
1995	12.11075
2002	30.16886
2005	41.19034
2010	53.33168