Year % of total labor force with advanced education 1994 3.79 1997 8.11 2005 14.024 2006 16.941 2007 18.178 2008 19.978 2009 21.904 2010 22.882 2011 29.16 2012 26.061 2013 30.245 2014 29.627 2015 26.841 2016 28.527 2017 29.121 2019 27.845 2022 22.373 2023 21.715