Year % of male working-age population with basic education 2002 81.16502711375006 2003 79.98228574756303 2004 79.93699649085772 2005 78.97674815494403 2006 78.96039833911709 2007 79.48471315405646 2008 78.28573675891325 2009 77.01518452741502 2011 76.54832509704693 2012 79.28378319833134 2013 78.8991702713341 2014 78.68757873104927 2015 77.28269068447715 2016 71.30767156719206 2017 71.113178049487 2018 70.21841050298491 2019 69.7177214262822 2020 62.658541367594864 2021 67.32490153592633 2022 67.09731349530172 2023 65.53344519738357