Year % of total labor force with advanced education 2001 4.174182977177216 2002 7.280366113792694 2003 6.64799433104593 2004 5.860693091043508 2005 5.681071228717531 2006 4.456307223855092 2007 5.535245659937471 2008 5.293725384692845 2009 5.671984886606039 2011 5.425193316508347 2012 4.9762658630689245 2013 3.9611630523426746 2014 3.99204585002953 2015 5.699054255282449 2016 6.48869942601981 2017 6.605019976320728 2018 6.599789051796596 2019 6.654541035628884 2020 7.2095292246891205 2021 7.975005308480488 2022 5.6045102939461735 2023 5.06974373767871