Year	% of government expenditure on education
1980	29.56944
1982	37.10376
1983	31.08849
1986	43.22026
1988	42.82559
1989	42.26739
1995	31.27259
1996	28.48134
1999	17.28584
2000	19.43766
2001	19.15676
2002	18.81469
2004	18.7763
2006	20.92713
2007	20.9087
2008	20.90153
2009	18.98625
2010	18.41766
2011	19.63842
2012	19.68788
2013	20.51479
2014	21.68091
2015	22.25432
2016	22.95425
2017	23.63856
2018	23.13634