Year % of total expenditure in secondary public institutions 2006 97.2601623535156 2007 98.556510925293 2008 97.7562637329102 2009 99.0888366699219 2010 97.7758178710938 2011 98.4930725097656 2012 98.8202362060547 2013 98.8763427734375 2014 97.9961013793945 2015 98.0645523071289 2016 98.7077407836914 2017 98.9182510375977 2018 99.2485580444336 2019 98.8557586669922 2022 98.1450500488281