Year	% of total expenditure in secondary public institutions
2008	81.8373031616211
2009	80.8548278808594
2010	95.1415634155273
2011	94.240837097168
2012	99.5545196533203
2013	99.5420913696289
2014	98.5857162475586
2015	97.5147323608398
2016	96.3849487304688
2017	96.5540618896484
2018	96.4577484130859
2020	96.196159362793
2021	98.3846893310547