Year % of total working-age population with advanced education 1996 84.275 1997 86.302 1998 86.818 1999 85.856 2000 86.432 2001 85.95 2002 86.21 2003 85.932 2004 86.948 2005 86.05 2006 86.432 2007 86.867 2008 86.822 2009 87.115 2010 86.447 2011 85.662 2012 84.748 2013 85.433 2014 84.973 2015 84.609 2016 84.522 2017 83.279 2018 83.353 2019 83.797 2020 83.584 2021 82.979 2022 81.285 2023 80.378