Year % of female working-age population with basic education 1997 21.462 1998 22.398 1999 22.535 2000 23.928 2001 22.593 2002 22.29 2003 22.589 2004 24.02 2005 23.512 2006 22.647 2007 22.445 2008 26.03 2009 24.953 2010 24.401 2011 26.942 2012 25.854 2013 26.736 2014 28.93 2015 31.6 2016 32.26 2017 33.921 2018 37.684 2019 35.118 2020 30.28 2021 23.938 2022 26.53 2023 27.81