Year % of male working-age population with basic education 1995 57.988 1996 69.205 1997 55.846 1998 58.137 1999 56.29 2000 55.316 2001 57.716 2002 56.439 2003 54.775 2004 54.051 2005 54.947 2006 53.681 2007 52.839 2008 52.223 2009 51.171 2010 52.072 2011 52.223 2012 51.567 2013 51.73 2014 52.811 2015 52.577 2016 52.391 2017 52.93 2018 54.329 2019 55.541 2020 55.275 2021 49.263 2022 50.416 2023 51.805