Year % of total working-age population with advanced education 2002 80.603 2003 81.272 2004 80.954 2005 82.942 2006 83.719 2007 83.366 2008 83.164 2009 82.295 2010 81.218 2011 80.847 2012 80.876 2013 80.615 2014 79.858 2015 79.027 2016 79.155 2017 78.281 2018 77.557 2019 77.551 2020 73.452 2021 76.22 2022 77.429 2023 78.144