Year % of female population ages 15+ (modeled ILO estimate) 1991 15.284 1992 15.338 1993 15.428 1994 15.511 1995 15.566 1996 15.649 1997 15.699 1998 15.734 1999 15.791 2000 15.886 2001 15.948 2002 16.042 2003 16.162 2004 16.291 2005 16.422 2006 16.637 2007 16.858 2008 17.084 2009 17.308 2010 17.518 2011 17.634 2012 17.73 2013 17.811 2014 17.895 2015 17.99 2016 18.046 2017 18.133 2018 18.235 2019 18.329 2020 17.906 2021 18.192 2022 18.379 2023 18.533