Year % of total working-age population with advanced education 2004 84.139 2005 84.369 2006 84.953 2008 83.852 2009 83.878 2010 83.842 2011 83.641 2012 82.469 2013 82.649 2014 82.21 2017 79.033 2018 79.577 2019 80.407 2020 77.242 2021 79.162 2022 79.559 2023 80.3