Year	% of total expenditure in secondary public institutions
1998	81.8717575073242
1999	98.5609283447266
2000	96.7420196533203
2007	98.6059494018555
2008	97.511848449707
2009	96.9146194458008
2010	95.554313659668
2011	98.6171112060547
2012	98.9193496704102
2013	97.6742935180664
2014	98.6642227172852
2015	95.531982421875
2016	96.9303665161133