Year % of female population ages 15+ (national estimate) 1966 5.52 1975 19.49 1980 19.48 1984 21.88 1989 20.32 1994 22.88 1997 23.67 2003 17.5 2005 23.615 2006 24.392 2007 24.485 2008 24.731 2009 24.797 2010 24.847 2011 24.875 2012 25.773 2013 25.576 2014 21.141 2015 26.035 2016 26.602 2017 26.488 2019 28.128 2022 27.291 2023 26.676