Year % of male working-age population with basic education 1998 59.329 1999 60.431 2000 25.006 2001 24.645 2002 23.406 2003 24.214 2004 24.439 2005 24.751 2006 23.98 2007 23.035 2008 23.254 2009 22.664 2010 23.805 2011 23.806 2012 24.506 2013 25.285 2014 26.861 2015 26.931 2016 27.025 2017 29 2018 30.127 2019 30.52 2020 25.415 2021 20.988 2022 24.282 2023 26.519