Year % of female population ages 15+ (national estimate) 1965 37.34 1975 53.08 1976 53.6 1982 66.23 1983 66.82 1984 67.44 1985 68.08 1986 80.55 1987 81.15 1989 82.22 1990 71.245 1991 70.628 1992 69.255 1993 67.635 1994 66.762 1995 66.183 1996 57.363 1997 56.463 1998 54.995 1999 56.417 2000 56.461 2001 58.618 2002 58.725 2003 58.909 2004 58.566 2005 59.121 2006 59.237 2007 59.685 2008 59.803 2009 59.388 2010 67.107 2011 67.864 2012 68.264 2013 68.684 2014 69.113 2015 69.503 2016 69.673 2017 70.219 2018 70.636 2019 71.037 2020 70.388 2021 63.253 2022 63.677 2023 64.382