Year	% of total expenditure in secondary public institutions
2002	57.9960403442383
2004	76.1674270629883
2005	74.3260803222656
2006	69.0911407470703
2008	76.1894912719727
2009	82.1195983886719
2013	89.4493637084961
2014	94.8321533203125
2015	96.1015472412109
2016	95.0284271240234
2019	100