Year	% of total expenditure in secondary public institutions
1998	92.487548828125
1999	93.4520874023438
2000	95.6085968017578
2001	94.6792907714844
2002	95.1459121704102
2003	96.1179122924805
2004	96.6504287719727
2005	97.2890625
2006	97.495491027832
2007	97.2631301879883
2008	96.8344497680664
2009	89.4224472045898
2010	96.6078491210938
2011	98.6669998168945
2012	85.7192230224609
2013	96.9017715454102
2014	97.3448181152344
2015	94.0057983398438
2017	95.1725463867188
2018	95.1366500854492
2019	95.9331283569336
2020	96.029182434082