Year % of total expenditure in secondary public institutions 2000 94.2830581665039 2002 92.3250579833984 2003 92.66375732421875 2004 91.9605712890625 2005 92.59703445434576 2006 92.18954849243165 2007 92.3839263916016 2008 92.3974723815918 2009 91.8440017700195 2010 91.7560119628906 2011 93.30315780639646 2012 93.2344779968262 2013 93.5452117919922 2014 93.88885116577146 2015 93.920768737793 2016 93.24060821533205 2017 93.7734909057617 2018 92.94724655151364 2019 92.4228286743164 2020 92.11864471435544