Year % of female working-age population with basic education 2005 26.79 2006 26.352 2007 26.415 2008 27.122 2009 25.622 2010 23.862 2011 23.938 2012 22.066 2013 23.044 2014 23.881 2015 23.008 2016 18.856 2017 18.805 2018 19.05 2019 20.941 2020 17.286 2021 16.21 2022 15.802