Year % of female population 1960 10.2410289398437 1961 10.1964921569464 1962 10.1556502616253 1963 10.098986654808 1964 10.0177687272331 1965 9.92752813629356 1966 9.82915818083292 1967 9.73335367270897 1968 9.66302374840245 1969 9.61493758350336 1970 9.5703847840637 1971 9.53047789238942 1972 9.48459826448409 1973 9.43220738167076 1974 9.4009330099624 1975 9.40258538579586 1976 9.4428577184634 1977 9.52159441861448 1978 9.63455662419223 1979 9.77555113772482 1980 9.91676247736582 1981 10.0413585612069 1982 10.1509114588076 1983 10.2347749274171 1984 10.2777756431025 1985 10.2839443493242 1986 10.2483990706073 1987 10.1648222276031 1988 10.0460261990318 1989 9.9075701683703 1990 9.76542012041529 1991 9.63393958606034 1992 9.52286323959918 1993 9.43404125610643 1994 9.36372006390375 1995 9.31867798952385 1996 9.29484281759968 1997 9.27741933636503 1998 9.26447683718843 1999 9.25290199645839 2000 9.21805970698926 2001 9.14446621731938 2002 9.0384726654854 2003 8.91267307686558 2004 8.78429187360597 2005 8.66073848910295 2006 8.54501134836548 2007 8.4442908095871 2008 8.3502084845835 2009 8.2492228124732 2010 8.15764668033418 2011 8.08545788422074 2012 8.02003567365669 2013 7.96021818456928 2014 7.91373694788725 2015 7.87709717043141 2016 7.85115367493877 2017 7.8403802766116 2018 7.84395875707613 2019 7.84875277474698 2020 7.84535866645678 2021 7.82169271523903 2022 7.7535299523697 2023 7.61103660268702