Year % of total labor force with advanced education 1996 3.3648651925415445 1997 2.7500737431515336 1998 3.395531125151617 1999 4.265931829578724 2000 5.375819420955952 2001 5.549841118243429 2002 5.947150651084615 2003 6.016045612911252 2004 5.99437506027909 2005 5.760998105307911 2006 5.035733940472773 2007 3.8697678537836255 2008 3.3381593458962957 2009 4.69937905782341 2010 5.610928218970692 2011 5.445806903096486 2012 5.768767130524165 2013 5.981357034911564 2014 5.138564215886184 2015 4.3924409150521635 2016 3.701455512877713 2017 3.0133311145388784 2018 2.4928820522644113 2019 2.2295311594161564 2020 2.6043100347035453 2021 2.3999625257529082 2022 2.003867217027951 2023 1.8792772479551456