Year % of total expenditure in secondary public institutions 2001 99.4022064208984 2002 99.2106628417969 2004 99.6765823364258 2007 79.3159408569336 2008 83.7732925415039 2009 88.9826278686523 2010 86.9296875 2011 87.3278427124023 2013 60.8858299255371 2014 70.0188217163086 2015 75.4191207885742 2016 85.1133499145508 2017 85.8002166748047 2018 90.2788925170898 2019 87.7265930175781 2020 74.2951431274414 2021 90.1034164428711 2022 88.8204574584961