Year	% of total expenditure in secondary public institutions
2006	94.0515823364258
2007	94.2764892578125
2008	98.2204895019531
2009	76.8164520263672
2010	96.0948486328125
2011	91.4940338134766
2012	87.5039291381836
2013	79.3771820068359
2014	62.3346214294434
2015	72.3417510986328
2016	89.9427871704102
2017	97.5286407470703
2018	100