Year % of total expenditure in secondary public institutions 2002 95.7649154663086 2004 96.31498336791995 2006 93.1058120727539 2007 95.57828521728516 2008 95.8705368041992 2009 96.4192199707031 2010 95.0243377685547 2011 96.0704193115234 2012 93.4248008728027 2013 95.2462463378906 2014 94.1052169799805 2015 95.6027374267578 2016 95.9206008911133 2017 94.26842880249025 2018 96.33199310302734 2019 95.9455451965332 2020 95.9135894775391 2021 95.87155532836915