Year % of total expenditure in secondary public institutions 2006 81.3080596923828 2007 86.3964385986328 2008 83.5726470947266 2009 87.1516494750977 2010 89.8408889770508 2011 86.2413330078125 2012 82.7601165771484 2013 82.007926940918 2014 80.3862228393555 2015 86.6382064819336 2016 86.7602386474609 2017 85.4207229614258 2018 87.7892990112305 2019 91.5459899902344 2020 96.3974914550781 2021 95.4482116699219 2022 96.2855224609375