Year % of male working-age population with basic education 1995 60.361 1996 57.522 1997 55.797 1998 54.645 1999 54.829 2000 54.03 2001 52.092 2002 53.263 2003 52.159 2004 46.587 2005 47.132 2006 47.928 2007 49.117 2008 48.229 2009 48.18 2010 47.4 2011 48.719 2012 46.872 2013 46.12 2014 46.735 2015 46.695 2016 48.537 2017 47.633 2018 47.771 2019 47.931 2020 48.389 2021 49.931 2022 50.466 2023 50.517