Year % of male working-age population with basic education 1997 77.147 2003 78.776 2006 75.631 2007 75.297 2008 79.841 2009 77.434 2010 76.72 2011 74.51 2012 75.501 2013 75.582 2014 75.042 2015 72.411 2016 72.649 2017 71.615 2018 72.962 2019 73.134 2020 66.731 2021 67.435 2022 73.682 2023 68.005