Year % of total labor force with advanced education 1996 4.79 1998 5.85 1999 6.2 2000 5.22 2001 5.73 2002 6.67 2003 6.71 2004 6.21 2005 5.19 2006 4.46 2007 3.9 2008 3.8 2009 5.23 2010 4.39 2011 4.01 2012 3.977 2013 3.851 2014 3.646 2015 3.352 2016 2.924 2017 2.765 2018 2.462 2019 2.566 2020 2.866 2021 3.457 2022 2.448