Year	% of total expenditure in secondary public institutions
2011	88.536262512207
2012	87.8378524780273
2013	86.8388519287109
2014	84.8873596191406
2015	86.0816268920898
2016	86.5941772460938
2017	88.6977920532227
2018	85.9748916625977
2019	91.1852264404297
2020	92.0201797485352