Year % of male working-age population with basic education 2002 70.315 2005 21.975 2007 54.066 2008 56.28 2009 59.331 2010 59.892 2011 61.947 2012 59.908 2013 55.524 2014 56.557 2015 57.315 2016 58.943 2017 60.058 2018 61.932 2019 63.3