Year	% of total expenditure in secondary public institutions
1999	93.1275024414062
2000	94.9924087524414
2001	94.7446670532227
2002	93.6042861938477
2003	91.0646362304688
2004	93.4228210449219
2005	93.2144317626953
2006	90.1676712036133
2007	89.7602386474609
2008	89.9471435546875
2009	90.6075134277344
2010	91.6056137084961
2012	94.9295272827148
2013	97.1659469604492
2014	97.2927703857422
2015	97.5874633789062
2016	97.9268798828125
2017	97.3135681152344
2018	97.335823059082
2019	97.2399597167969
2020	97.2339935302734