Year % of female population ages 15+ (national estimate) 1960 32.63 1974 26.8 1975 38.26 1976 38.16 1977 38.08 1979 59.2 1980 46.89 1981 59.17 1982 60.12 1983 60.15 1985 41.74 1991 72.896 1992 74.241 1993 74.482 1994 74.923 1995 77.409 1996 75.746 1997 74.396 1998 75.958 1999 78.274 2000 79.768 2001 78.47 2002 78.256 2003 78.735 2004 76.808 2005 77.079 2006 77.754 2007 77.748 2008 77.007 2009 76.401 2010 76.782 2011 76.396 2012 77.079 2013 77.64 2014 78.657 2015 79.666 2016 79.747 2017 78.898 2018 77.917 2019 77.374 2020 74.999 2021 69.292 2022 70.698 2023 70.456