Year % of male working-age population with basic education 2003 62.426 2006 59.838 2008 60.379 2009 59.125 2010 60.976 2011 60.297 2012 64.287 2013 59.063 2014 55.916 2015 55.243 2016 54.522 2017 55.534 2018 56.52 2019 59.664 2020 59.136 2021 58.033 2022 56.96