Year % of female population ages 15+ (national estimate) 1966 63.86 1977 59.7 1992 51.62 1995 60.45 1996 57.39 1997 59.684 1998 58.596 1999 58.676 2000 58.199 2001 57.085 2002 51.284 2003 49.069 2004 48.712 2005 46.869 2006 47.837 2007 47.457 2008 46.806 2009 46.633 2010 46.185 2011 46.085 2012 46.239 2013 45.977 2014 46.156 2015 45.223 2016 44.434 2017 45.888 2018 45.631 2019 45.561 2020 45.331 2021 41.023 2022 42.293 2023 41.928