Year % of total labor force with advanced education 2001 4.174182977177215 2002 7.280366113792698 2003 6.647994331045931 2004 5.860693091043508 2005 5.681071228717531 2006 4.478650020338949 2007 5.563540384993197 2008 5.318290578541884 2009 5.695388372946642 2011 5.425193316508346 2012 4.976265863068923 2013 3.961163052342676 2014 3.9920458500295304 2015 5.699054255282451 2016 6.488699426019809 2017 6.60501997632073 2018 6.599789051796595 2019 6.654541035628885 2020 7.2095292246891205 2021 7.975005308480487 2022 5.604510293946174 2023 5.069743737678708