Year	% of total expenditure in secondary public institutions
1998	91.810432434082
1999	92.3762969970703
2000	92.2828826904297
2001	91.9687118530273
2002	91.9359283447266
2003	93.8829879760742
2004	94.7747116088867
2005	93.5292205810547
2006	93.6546325683594
2007	94.5737686157227
2008	94.2844009399414
2009	94.1165084838867
2010	91.9184875488281
2011	93.8484802246094
2012	97.3144607543945
2013	98.0333023071289
2014	95.4206695556641
2015	97.4836502075195
2016	96.7572937011719
2017	95.612548828125
2018	92.5518417358398
2019	92.4022903442383
2020	92.1325225830078