Year % of total labor force with advanced education 2002 9.507 2003 7.387 2004 7.925 2005 6.281 2006 6.049 2007 6.625 2008 5.122 2009 6.293 2010 8.474 2011 9.326 2012 10.824 2013 11.476 2014 9.621 2015 9.248 2016 7.815 2017 7.128 2018 6.033 2019 5.261 2020 5.369 2021 4.915 2022 5.28 2023 3.584