Year	% of total expenditure in secondary public institutions
2002	95.7701416015625
2004	96.6710548400879
2006	92.4091148376465
2007	95.496711730957
2008	94.38022232055665
2009	96.4192199707031
2010	95.0243377685547
2011	95.12083053588864
2012	93.4248008728027
2013	94.3498229980469
2014	93.8419570922852
2015	94.64857482910155
2016	94.2040405273438
2017	91.0635833740234
2018	96.33199310302734
2019	95.9455451965332
2020	96.1555404663086
2021	94.57149505615234