Year % of total expenditure in secondary public institutions 2000 100 2007 98.9183807373047 2008 99.497428894043 2009 100 2010 99.295768737793 2011 99.6063003540039 2012 99.4724502563477 2013 99.6740417480469 2014 99.6497497558594 2016 100 2017 100 2018 77.1400985717773 2019 79.753532409668 2020 79.5151214599609 2021 79.381706237793 2022 80.824348449707