Year	% of total expenditure in secondary public institutions
2003	90.1789169311523
2004	90.2557907104492
2010	92.7285537719727
2011	93.2955627441406
2012	93.0627593994141
2013	88.9942016601562
2014	90.2687835693359
2015	92.8631896972656
2016	86.9257202148438
2017	92.4766616821289
2018	92.1760177612305
2019	93.4818801879883
2020	92.1661682128906