Year % of total labor force with advanced education 2000 5.344 2001 5.739 2002 5.746 2003 5.867 2004 5.02 2005 4.877 2006 4.41 2007 3.437 2008 3.165 2009 3.333 2010 4.304 2011 5 2012 4.133 2013 3.715 2014 5.699 2015 6.12 2016 4.617 2017 5.136 2018 3.745 2019 5.449 2020 5.555 2021 8.054 2022 5.18 2023 5.673