Year % of male working-age population with advanced education 1991 92.035 1992 89.708 1993 88.94 1994 89.893 1995 90.764 1999 88.578 2000 88.095 2001 89.554 2002 92.687 2004 77.007 2005 91.277 2006 90.663 2007 92.911 2008 89.131 2009 91.395 2011 87.992 2012 90.557 2013 89.264 2014 86.722 2015 86.251 2016 85.275 2017 86.141 2018 86.989 2019 88.686 2020 85.278 2021 90.603 2022 91.178