Year % of total labor force with advanced education 1995 6.431944883285508 1996 6.309271168170136 1997 5.850020408339948 1998 5.732793201559813 1999 5.196377720531306 2000 4.575346236957551 2001 4.137038988695767 2002 4.423369905676781 2003 4.521065356999059 2004 4.478561916312564 2005 4.384645787608625 2006 3.960504378207481 2007 3.721284462164135 2008 3.8163558404667692 2009 5.364287971427379 2010 5.812086133074117 2011 6.268774894126427 2012 6.77201057204657 2013 7.170271707261874 2014 7.0728188721642375 2015 6.337439391005406 2016 5.830177936924225 2017 5.332004080838367 2018 4.830255382352691 2019 4.511713279459287 2020 5.660336957189472 2021 5.102523557680198 2022 3.9293658931853823 2023 3.8525514338771036