Year % of total labor force with advanced education 1992 1.076 1993 2.047 1994 2.843 1995 3.975 1996 4.387 1997 2.934 1998 2.754 1999 3.322 2000 2.696 2001 2.571 2002 3.919 2003 5.352 2004 4.381 2005 6.235 2006 6.447 2007 7.628 2008 6.784 2009 6.656 2010 7.493 2011 9.24 2012 12.014 2013 12.875 2014 9.983 2015 9.242 2016 8.356 2017 6.454 2018 5.376 2019 5.312 2020 5.804 2021 4.884 2022 4.338 2023 4.574