Year % of female population ages 15+ (national estimate) 1961 37.57 1966 41.94 1971 42.57 1978 35.38 1979 35.92 1980 35.92 1981 44.54 1983 45.645 1984 47.153 1985 48.698 1986 49.163 1987 49.971 1988 50.626 1989 52.093 1990 52.444 1991 52.27 1992 52.385 1993 52.468 1994 52.5 1995 52.463 1996 52.889 1997 53.302 1998 53.325 1999 53.784 2000 54.191 2001 54.08 2002 54.638 2003 54.552 2004 54.932 2005 55.246 2006 55.756 2007 55.521 2008 55.821 2009 55.948 2010 55.875 2011 56.034 2012 56.268 2013 56.609 2014 56.879 2015 57.046 2016 57.4 2017 57.585 2018 57.852 2019 58.402 2020 58.602 2021 58.343 2022 58.133 2023 58.093