Year % of total labor force with advanced education 1996 4.09 1997 3.73 1998 3.09 1999 3.08 2000 2.21 2001 3.96 2002 3.02 2003 3.95 2004 3.19 2005 4.95 2006 2.29 2007 1.74 2008 2.17 2010 3.967 2011 5.555 2012 5.727 2013 4.322 2014 5.34 2015 5.848 2016 4.65 2017 4.353 2018 5.107 2019 6.097 2020 8.933 2021 7.503 2022 6.515 2023 5.226