Year % of total labor force with advanced education 1995 4.76 1996 4.304 1997 3.645 1998 2.107 1999 1.722 2000 1.707 2001 1.594 2002 1.732 2003 2.37 2004 2.845 2005 3.544 2006 2.827 2007 2.356 2008 2.361 2009 2.663 2010 2.95 2011 3.217 2012 3.437 2013 4.242 2014 4.075 2015 3.92 2016 3.268 2017 2.992 2018 2.526 2019 2.365 2020 2.518 2021 2.812 2022 2.547 2023 2.737