Year % of total expenditure in secondary public institutions 1998 84.1685485839844 2007 96.0716781616211 2008 97.2649307250977 2009 95.2468338012695 2010 99.091796875 2012 91.0519180297852 2013 93.6087188720703 2014 93.7714385986328 2015 94.3720016479492