Year % of male labor force with advanced education 1991 1.871 1992 2.982 1993 4.978 1994 2.007 1995 3.176 1996 10.23 1997 7.22 1999 2.935 2000 9.09 2001 3.588 2002 4.183 2004 5.537 2005 7.375 2006 5.706 2007 4.617 2008 3.175 2009 6.212 2011 3.156 2012 3.254 2013 3.935 2014 3.069 2015 2.87 2016 5.143 2017 5.396 2018 5.486 2019 4.358 2020 10.41 2021 6.994 2022 3.887