Year % of total labor force with advanced education 1996 4.347405677892269 1997 3.7380194309500983 1999 4.25955911687039 2001 4.177192835338073 2002 7.3191045156673455 2003 6.713559857943323 2004 5.85036462169217 2005 5.321537141962595 2006 4.059692641435671 2007 5.330148470741128 2008 5.223330237557901 2009 5.605046967943436 2011 5.280137875221671 2012 4.8387432245082 2013 3.9547413595189784 2014 3.975196589199075 2015 5.783447420805185 2016 6.5812180415362675 2017 6.660431945171018 2018 6.607615197695645 2019 6.689149772604057 2020 7.041453388171648 2021 7.986648357713223 2022 5.563920453741222 2023 4.9831190434773465