Year % of male working-age population with basic education 2009 61.59 2010 56.797 2011 55.866 2012 55.839 2013 56.719 2014 55.711 2015 54.072 2016 53.824 2017 52.958 2018 52.912 2019 51.088 2020 49.512 2021 47.62 2022 46.591 2023 45.26