Year % of total working-age population with intermediate education 1998 63.14 2000 62.237 2003 64.572 2006 64.168 2009 62.163 2010 67.602 2011 68.812 2012 67.972 2013 68.224 2014 68.221 2015 67.833 2016 68.102 2017 68.699 2018 68.337 2019 67.597 2020 60.64 2021 61.839 2022 64.928 2023 66.127