Year % of total working-age population with advanced education 1999 94.157 2000 94.867 2001 92.659 2002 94.229 2003 92.941 2004 91.02 2005 91.43 2006 91.129 2007 90.794 2008 90.112 2009 90.342 2010 89.991 2011 90.721 2012 90.852 2013 90.647 2014 91.014 2015 91.712 2016 91.749 2017 91.329 2018 90.208 2019 90.165 2020 88.067 2021 85.957 2022 86.687 2023 85.374