Year % of total expenditure in secondary public institutions 2002 95.7701416015625 2004 96.5393981933594 2006 94.13313293457031 2007 95.496711730957 2008 94.38022232055665 2009 96.1971435546875 2010 94.4804801940918 2011 96.0704193115234 2012 93.4248008728027 2013 94.79803466796875 2014 93.97358703613284 2015 95.6027374267578 2016 95.9206008911133 2017 94.26842880249025 2018 96.33199310302734 2019 95.9455451965332 2020 95.9135894775391 2021 95.87155532836915