Year % of total working-age population with advanced education 2000 85.715 2001 82.962 2002 83.897 2003 84.384 2004 83.077 2005 82.835 2006 82.606 2007 80.548 2008 81.884 2009 79.037 2010 81.811 2011 81.564 2012 83.492 2013 82.283 2014 79.402 2015 84.237 2016 84.465 2017 84.301 2018 83.518 2019 84.102 2020 80.08 2021 81.379 2022 82.004 2023 81.364