Year % of male working-age population with advanced education 1997 87.82 1998 89.037 1999 88.363 2000 89.289 2001 88.087 2002 85.943 2003 85.612 2004 84.566 2005 84.112 2006 86.517 2007 85.826 2008 86.659 2009 86.881 2010 84.842 2011 83.035 2012 84.095 2013 85.713 2014 86.921 2015 86.591 2016 86.612 2017 87.701 2018 87.604 2019 87.94 2020 86.912 2021 82.255 2022 80.612 2023 82.513