Year % of female working-age population with basic education 1998 23.692 1999 23.232 2000 22.789 2001 21.655 2002 20.86 2003 20.405 2004 20.201 2005 19.24 2006 19.854 2007 19.168 2008 19.044 2009 19.037 2010 18.586 2011 17.517 2012 17.71 2013 17.195 2014 16.69 2015 16.584 2016 17.399 2017 17.201 2018 16.636 2019 18.037 2020 16.863 2021 16.699 2022 17.488 2023 17.738