Year	% of government expenditure on education
1971	45.51074
1972	47.34769
1973	41.89044
1974	39.14527
1980	41.53787
1989	50.79449
1990	41.5572
2004	61.77353
2005	56.02344
2006	52.67562
2007	49.16853
2008	45.43192
2009	41.90611
2014	49.15033