Year % of total working-age population with advanced education 2008 82.814 2009 80.933 2010 80.38 2011 76.839 2012 76.814 2013 76.497 2014 77.053 2016 76.206 2017 76.016 2018 74.918 2019 75.755 2020 77.28 2021 73.089 2022 73.872