Year % of female population 1960 11.792826670361 1961 12.0180108353327 1962 12.2127870342475 1963 12.3231532905362 1964 12.344958564335 1965 12.3388659927856 1966 12.3384291461662 1967 12.3435973683969 1968 12.3485343234002 1969 12.3537027900838 1970 12.3654755452861 1971 12.3919532009362 1972 12.4305773781288 1973 12.4732265866668 1974 12.5180657322866 1975 12.5586087692688 1976 12.5768460873482 1977 12.5724479781366 1978 12.5573818330872 1979 12.5315703085395 1980 12.4895967701963 1981 12.4342691634146 1982 12.371491968142 1983 12.2995619735314 1984 12.2162633941601 1985 12.1279002280572 1986 12.039907804241 1987 11.9488372826693 1988 11.8573751298504 1989 11.7723837973934 1990 11.6952593259586 1991 11.6268832523123 1992 11.5703862376727 1993 11.5245901727902 1994 11.4818638663923 1995 11.4367392588995 1996 11.3897161503514 1997 11.3391058420011 1998 11.2808983338865 1999 11.2136270178002 2000 11.1364750890868 2001 11.0477498541236 2002 10.9481365145445 2003 10.8417070492948 2004 10.7344976346431 2005 10.6272715916545 2006 10.5170481453772 2007 10.4033354100044 2008 10.2884909069118 2009 10.1689554119911 2010 10.0397851585419 2011 9.9019429933432 2012 9.76207747289622 2013 9.6241160592221 2014 9.48851033731786 2015 9.35892370672759 2016 9.23869475718135 2017 9.12678151233169 2018 9.0051099688744 2019 8.89295763618699 2020 8.82264172173557 2021 8.77608637284495 2022 8.71947422906575 2023 8.62415970384437