Year % of male working-age population with basic education 2003 55.334615686411865 2005 54.790799231725735 2006 55.41111810723553 2007 54.88030902144254 2008 54.7541356789694 2009 54.160527160235056 2010 50.35810900159517 2011 50.96325035349466 2012 50.7945977169629 2013 50.32085880378051 2014 47.91810202750933 2015 48.236945833105366 2016 47.747653825494794 2017 48.21934521591707 2018 48.28277622763131 2019 48.09200372133905 2020 45.50373249098631 2021 46.87131924036338 2022 47.10368464898359 2023 46.9916747642444