Year % of female population ages 15+ (national estimate) 1960 48.53 1970 48.76 1976 48.72 1977 42.68 1979 54.02 1980 44.13 1981 55.61 1982 71.49 1984 59.62 1985 59.57 1986 59.04 1987 58.46 1988 58.33 1989 58.41 1990 64.752 1991 63.489 1992 62.148 1993 61.279 1994 60.465 1995 56.264 1996 54.6 1997 54.859 1998 55.126 1999 58.127 2000 58.308 2001 58.526 2002 58.714 2003 58.285 2004 57.802 2005 58.145 2006 58.385 2007 57.376 2008 57.386 2009 56.956 2010 56.024 2011 55.812 2012 55.99 2013 55.537 2014 55.475 2015 55.616 2016 55.018 2017 55.212 2018 55.879 2019 55.787 2020 55.259 2021 56.677 2022 58.169 2023 58.504