Year % of female working-age population with basic education 1987 32.044 1988 32.592 1989 32.961 1990 31.999 1991 28.695 1992 30.53 1993 28.815 1994 29.034 1995 28.35 1996 29.686 1997 28.888 1998 30.166 1999 30.126 2000 29.532 2001 28.468 2002 28.425 2003 27.901 2004 26.449 2005 26.597 2006 25.785 2007 25.563 2008 25.165 2009 26.134 2010 26.202 2011 25.29 2012 24.452 2013 24.093 2014 24.054 2015 24.104 2016 23.331 2017 22.541 2018 21.783 2019 20.715 2020 18.996 2021 19.805 2022 19.487 2023 19.533