Year % of female population ages 15+ (national estimate) 1961 29.71 1966 29.41 1971 28.17 1975 29.77 1977 28.19 1981 29.74 1983 34.218 1984 33.512 1985 33.296 1986 33.84 1987 34.902 1988 34.363 1989 34.577 1990 35.376 1991 36.047 1992 36.822 1993 38.556 1994 39.5 1995 39.925 1996 41.54 1997 42.667 1998 43.929 1999 45.912 2000 47.152 2001 47.564 2002 48.784 2003 49.136 2004 49.433 2005 51.395 2006 52.595 2007 56.974 2008 56.826 2009 56.109 2010 55.251 2011 54.964 2012 54.766 2013 55.272 2014 54.928 2015 54.851 2016 55.587 2017 55.649 2018 56.038 2019 56.246 2020 55.096 2021 57.998 2022 59.413 2023 60.426