Year % of total working-age population with advanced education 1995 86.558 1996 88.596 1997 82.294 1998 80.928 1999 81.922 2000 80.715 2001 82.194 2002 82.659 2003 83.726 2004 83.333 2005 84.083 2006 83.171 2007 83.756 2008 84.067 2009 83.639 2010 83.075 2011 82.528 2012 82.748 2013 83.02 2014 83.282 2015 83.393 2016 83.54 2017 83.581 2018 83.571 2019 83.944 2020 83.529 2021 77.917 2022 78.566 2023 77.827