Year % of total labor force with advanced education 1994 1.84 1995 2.222 1996 2.823 1997 2.725 1998 2.344 1999 2.167 2000 2.248 2001 1.893 2002 1.767 2003 2.379 2004 3.415 2005 3.03 2006 2.78 2007 2.707 2008 1.874 2009 2.574 2010 2.531 2011 2.568 2012 2.393 2013 3.352 2014 4.012 2015 3.953 2016 3.614 2017 3.212 2018 3.297 2019 3.066 2020 3.281 2021 4.138 2022 3.49 2023 3.6