Year % of female population ages 15+ (national estimate) 1970 29.54 1975 34.87 1976 36.43 1977 37.93 1978 40.14 1979 41.88 1980 44.29 1982 45.21 1983 45.68 1984 45.85 1985 44.86 1986 45.62 1987 46.95 1988 47.79 1989 48.43 1991 37.88 1992 42.53 1993 41.37 1994 41.69 1995 40.1 1996 41 1997 40.07 1998 39.1 1999 50.69 2000 40.58 2001 51.59 2002 50.59 2003 50.91 2004 51.3 2005 52 2006 54.25 2007 53.08 2008 55.61 2009 55.16 2010 56.46 2011 56.97 2012 57.69 2013 58.1 2014 58.64 2015 60.42 2016 60.38 2017 59.82 2018 60.2 2019 61.12 2020 61.17 2021 64.165 2022 63.366