Year	% of total expenditure in secondary public institutions
2001	85.3386764526367
2002	83.9711990356445
2003	90.0394515991211
2004	90.8896408081055
2013	85.9975662231445
2014	88.6416091918945
2015	89.4109725952148
2016	93.4262237548828
2017	92.6467895507812
2018	89.8263473510742
2019	89.1803588867188
2020	88.9341125488281