Year	% of total expenditure in secondary public institutions
2001	99.6174697875977
2004	90.3126831054688
2005	89.8430404663086
2006	81.2561416625977
2007	74.5921325683594
2008	86.713996887207
2009	91.0606918334961
2010	78.4609909057617
2012	93.8780975341797
2013	95.0647583007812
2014	96.463752746582