Year % of total labor force with advanced education 2000 6.695 2001 8.841 2002 8.225 2003 6.78 2004 5.789 2005 4.312 2006 3.999 2007 2.439 2008 2.007 2009 2.953 2010 4.116 2011 5.108 2012 5.251 2013 6.474 2014 5.244 2015 3.922 2016 3.571 2017 2.802 2018 2.253 2019 2.051 2020 2.159 2021 2.096 2022 1.589 2023 1.872