Year % of male working-age population with advanced education 1989 93.442 1990 91.519 1992 92.519 1995 91.08 1996 90.08 1997 91.147 1998 90.726 1999 89.315 2001 89.031 2002 89.583 2003 88.956 2004 88.316 2005 88.526 2006 89.261 2007 88.594 2008 88.631 2009 89.219 2011 88.287 2012 86.671 2013 84.033 2014 84.752 2015 88.413 2016 88.948 2017 88.773 2018 88.429 2019 88.558 2020 85.389 2021 86.466 2022 87.384 2023 87.4