Year	% of total expenditure in secondary public institutions
1998	87.4600372314453
1999	88.7644805908203
2006	94.7035522460938
2007	94.4972763061523
2008	92.8594207763672
2009	87.1828308105469
2010	90.0922012329102
2011	91.6808776855469
2012	85.1921691894531
2013	89.1409378051758
2014	91.3943786621094
2015	92.1757965087891
2016	96.1658477783203
2017	91.7075500488281
2018	90.4021072387695
2019	95.1406784057617
2020	94.5501327514648
2021	93.3959808349609
2022	92.0329818725586