Year % of male working-age population with basic education 1996 60.991 1997 62.033 1998 62.491 1999 63.014 2000 62.54 2001 62.35 2002 63.49 2003 62.244 2004 63.108 2005 60.013 2006 61.708 2007 61.572 2008 62.683 2009 62.668 2010 59.588 2011 59.164 2012 60.043 2013 59.423 2014 57.123 2015 57.989 2016 55.962 2017 55.369 2018 55.044 2019 56.38 2020 52.328 2021 57.053 2022 57.741 2023 59.809