Year % of male working-age population with basic education 1995 47.303 1996 44.951 1997 45.078 1998 49.409 1999 58.604 2000 58.2 2001 47.53 2002 47.353 2003 45.993 2004 43.798 2005 43.256 2006 44.055 2007 40.549 2008 40.493 2009 37.556 2010 37.251 2011 38.159 2012 36.112 2013 35.494 2014 33.774 2015 34.857 2016 31.936 2017 33.917 2018 34.93 2019 33.81 2020 33.976 2021 34.429 2022 35.939 2023 39.115