Year % of total expenditure in secondary public institutions 2007 94.8034896850586 2008 83.1450805664062 2010 76.7802505493164 2011 64.7537078857422 2012 91.3762588500977 2013 85.6352081298828 2015 85.2636871337891 2016 82.4553604125977 2018 89.9483489990234 2021 60.4287109375 2022 80.6092529296875