Year % of total labor force with advanced education 2008 2.941 2009 3.579 2010 5.113 2011 4.36 2012 5.257 2013 6.84 2014 5.62 2016 6.461 2017 5.883 2018 3.558 2019 3.336 2020 4.183 2021 2.821 2022 2.142