Year % of total expenditure in secondary public institutions 1998 90.9972915649414 1999 91.7330627441406 2000 84.673957824707 2002 83.6012191772461 2003 86.8692321777344 2004 84.6946563720703 2005 96.9013824462891 2006 96.0655899047852 2007 96.3058013916016 2008 97.7632064819336 2009 97.6516189575195 2017 93.5313262939453 2018 87.1581192016602 2019 94.6008682250977 2020 94.6802825927734