Year	% of total expenditure in secondary public institutions
2001	98.5650177001953
2002	96.6251525878906
2003	96.9203033447266
2005	88.5266189575195
2006	92.1542282104492
2007	83.1606216430664
2008	86.6199493408203
2009	90.7022933959961
2010	96.3397598266602
2011	96.6068878173828
2012	95.6229400634766
2017	96.6049194335938
2018	96.1379928588867
2019	95.2525863647461
2020	96.0300827026367