Year	% of total expenditure in secondary public institutions
2001	100
2002	100
2004	97.0250778198242
2006	98.6546325683594
2007	96.1608505249023
2008	97.4842910766602
2009	96.4930572509766
2010	95.0243377685547
2011	99.3435821533203
2012	94.9216079711914
2013	96.5879974365234
2014	96.8926773071289
2015	95.6027374267578
2016	100
2017	95.6132888793945
2018	99.7056884765625
2019	99.3941268920898
2020	99.4060592651367
2021	99.4287567138672