Year % of male labor force with advanced education 1995 7.716 1996 6.889 1997 5.623 1998 5.187 1999 3.486 2000 4.284 2001 3.832 2002 3.865 2003 4.371 2004 4.234 2005 4.184 2006 3.012 2007 3.267 2008 2.883 2009 3.717 2010 4.948 2011 3.656 2012 4.733 2013 4.897 2014 5.618 2015 6.891 2016 5.901 2017 5.433 2018 4.042 2019 4.513 2020 3.801 2021 4.893 2022 5.003 2023 4.414