Year % of total labor force with advanced education 2007 9.681 2008 9.79 2009 9.862 2010 15.456 2011 14.643 2012 19.096 2013 16.921 2014 21.06 2015 20.455 2016 21.364 2017 16.706 2018 15.369 2019 13.267 2020 12.663 2021 11.992 2022 10.491 2023 8.598