Year % of total expenditure in secondary public institutions 2003 97.6791229248047 2004 97.1799468994141 2005 96.7162399291992 2007 92.6576614379883 2008 85.5839233398438 2009 100 2011 98.2130584716797 2012 98.3954467773438 2014 98.2036437988281 2015 97.8637619018555 2016 97.9534378051758 2017 97.3218383789062 2018 97.7152862548828 2019 98.1260528564453 2021 97.3669662475586 2022 98.9985198974609