Year % of total labor force with advanced education 1996 2.29 2010 5.778 2011 3.655 2012 4.598 2013 4.14 2014 3.337 2015 4.411 2016 6.584 2017 5.206 2018 4.983 2019 6.462 2020 5.75 2021 6.081 2022 5.189