Year % of total expenditure in secondary public institutions 2007 92.2366485595703 2008 88.4307403564453 2009 93.3721771240234 2010 91.9779281616211 2011 94.0137176513672 2012 94.8311386108398 2013 92.1249389648438 2014 88.1729125976562 2015 90.8784027099609 2016 90.731201171875 2017 85.9831008911133 2018 87.4957962036133 2019 90.425910949707 2020 89.7385406494141 2021 91.0752868652344 2022 92.4675979614258