Year	% of government expenditure on education
1970	41.77521
1977	33.90821
1979	51.2496
1983	32.81006
1984	28.56489
2002	23.51449
2004	26.48021
2006	32.3522
2007	26.83019
2009	30.43072
2010	33.43877
2011	33.37715
2012	33.25069