Year	% of government expenditure on education
1980	16.49128
1982	10.19575
1983	12.07909
1986	13.12293
1995	20.81091
1996	25.91492
1997	20.87274
2000	21.80575
2001	21.92228
2002	22.21366
2003	24.5403
2004	25.83594
2005	26.79191
2007	24.77302
2008	25.41401
2009	29.69366