Year	% of total expenditure in secondary public institutions
2002	59.0331001281738
2009	91.0022888183594
2010	92.0941314697266
2011	92.9817504882812
2012	88.8926773071289
2013	87.1614303588867
2014	84.4293899536133
2015	85.1359329223633
2016	72.9943695068359
2017	80.6935424804688
2018	78.4080810546875
2019	90.6562576293945
2020	98.1921997070312