Year	% of total expenditure in secondary public institutions
1998	94.02418518066405
1999	93.289794921875
2000	94.32421875
2001	94.1219787597656
2002	92.9600715637207
2003	92.7593612670898
2004	93.10797882080081
2005	93.371826171875
2006	91.80997467041016
2007	92.2580528259277
2008	92.3974723815918
2009	92.40357971191406
2010	92.2985610961914
2011	93.6727333068848
2012	94.2906875610352
2013	95.38593292236331
2014	95.2777328491211
2015	94.6711578369141
2016	94.3290901184082
2017	95.1725463867188
2018	93.6599273681641
2019	93.80939102172854
2020	92.1661682128906