Year % of male working-age population with basic education 2001 65.272 2006 69.445 2007 39.176 2008 43.532 2009 41.777 2010 40.688 2011 39.028 2012 38.336 2013 37.613 2014 34.59 2015 35.996 2016 34.249 2017 31.299 2018 31.133 2019 29.859 2020 34.102 2021 33.609 2022 34.225 2023 34.095