Year	% of total expenditure in secondary public institutions
1999	100
2000	98.5334701538086
2004	98.6613235473633
2006	72.2046966552734
2008	68.3887023925781
2013	95.0490798950195
2014	97.1405410766602
2015	81.119873046875
2016	100
2018	88.8798370361328
2019	100
2020	100
2022	96.1102294921875