Year % of total working-age population with advanced education 1996 78.631 1997 79.179 1998 80.409 1999 80.555 2000 80.171 2001 80.321 2002 80.669 2003 79.859 2004 79.884 2005 79.506 2006 79.266 2007 79.428 2008 80.139 2009 79.894 2010 79.87 2011 79.305 2012 79.027 2013 80.533 2014 80.208 2015 79.58 2016 79.223 2017 79.11 2018 79.439 2019 78.97 2020 78.973 2021 79.378 2022 80.316 2023 80.559