Year % of total expenditure in secondary public institutions 2001 93.2379684448242 2002 92.1612358093262 2003 93.5387077331543 2004 94.4624481201172 2005 93.9427185058594 2006 91.80997467041016 2007 91.5112724304199 2008 91.66786193847655 2009 92.70141983032225 2010 92.0876998901367 2011 93.7843933105469 2012 94.2906875610352 2013 91.9571914672852 2014 91.0229187011719 2015 93.920768737793 2016 93.4262237548828 2017 94.97245788574214 2018 92.9602355957031 2019 93.5883598327637 2020 92.14934539794919