Year % of total working-age population with advanced education 1992 90.287 1993 87.15 1994 86.499 1995 86.397 1996 85.166 1997 84.563 1998 84.094 1999 83.438 2000 84.005 2001 82.789 2002 81.997 2003 81.424 2004 81.558 2005 81.319 2006 80.79 2007 81.413 2008 79.786 2009 78.607 2010 78.048 2011 78.681 2012 78.468 2013 77.591 2014 77.057 2015 77.205 2016 76.799 2017 76.902 2018 76.832 2019 77.196 2020 76.948 2021 76.814 2022 77.127 2023 77.807