Year % of total working-age population with advanced education 2000 81.733 2001 79.492 2002 77.982 2003 80.301 2004 79.269 2005 79.9 2006 77.143 2007 78.377 2008 77.092 2009 77.661 2010 77.392 2011 76.485 2012 75.177 2013 75.103 2014 72.812 2015 77.154 2016 76.967 2017 77.236 2018 74.077 2019 74.066 2020 68.904 2021 71.778 2022 72.569