Year % of male working-age population with basic education 2003 83.614 2004 83.799 2006 83.131 2010 79.832 2011 80.534 2012 84.479 2013 76.844 2014 79.427 2015 80.441 2016 80.4 2017 82.456 2018 82.331 2019 80.961 2021 83.568 2022 80.464