Year % of total working-age population with advanced education 2010 68.857 2011 69.342 2012 69.277 2013 69.54 2014 70.649 2015 70.774 2016 71.333 2017 66.645 2018 66.938 2019 67.073 2020 66.733 2021 67.08 2022 79.844 2023 80