Year % of total labor force with advanced education 1996 2.82 1997 3.26 1998 2.96 1999 3.88 2000 3.53 2001 3.47 2002 2.52 2003 3.11 2005 2.36 2006 2.82 2007 1.54 2008 2.31 2009 1.99 2010 1.64 2011 1.85 2012 1.69 2013 1.36 2014 1.77 2015 1.59 2016 1.49