Year % of total expenditure in secondary public institutions 2000 92.5879364013672 2001 92.2796173095703 2002 90.9090881347656 2003 86.5494384765625 2004 91.2053375244141 2005 87.4183197021484 2006 90.4866409301758 2007 90.6014785766602 2008 87.9660415649414 2009 90.7623062133789 2010 92.2985610961914 2011 91.5654220581055 2013 97.5678863525391 2014 97.7792892456055 2015 97.9094924926758 2016 96.1985092163086 2017 97.155029296875 2019 98.2220764160156 2020 97.693717956543