Year	% of government expenditure on education
1980	20.72798
1982	15.55416
1983	17.26379
1988	20.51867
1989	20.98687
1995	23.6233
1996	24.51136
1999	29.17743
2000	28.00545
2001	30.68942
2002	31.88769
2004	27.82713
2006	30.08791
2007	31.38094
2008	30.99024
2009	31.28655
2010	31.51123
2011	32.56519
2012	33.12304
2013	33.7004
2014	33.44405
2015	33.68089
2016	31.99655
2017	31.69431
2018	28.6795