Year % of total working-age population with intermediate education 2007 62.74 2008 58.989 2009 56.946 2010 55.968 2011 55.326 2012 55.295 2013 56.531 2014 60.122 2015 59.333 2016 60.316 2017 60.725 2018 61.207 2019 60.718 2020 60.143 2021 63.542 2022 64.416