Year % of female population 1960 11.6209773539929 1961 11.5760508587152 1962 11.6564488009883 1963 11.7874169072719 1964 11.9402017057431 1965 12.1370160213618 1966 12.3482637141419 1967 12.5597528273289 1968 12.7565569772241 1969 12.9247880588363 1970 13.0694593908852 1971 13.1830595317613 1972 13.2878181356779 1973 13.4116021002296 1974 13.5482477455586 1975 13.676065947413 1976 13.7744461783021 1977 13.8253490748099 1978 13.8650399675027 1979 13.8781357230902 1980 13.7927477840451 1981 13.6027028374807 1982 13.350455485419 1983 13.0491387955453 1984 12.6035011317079 1985 12.0588120151896 1986 11.5526479478813 1987 11.101702587699 1988 10.666507343582 1989 10.3582384707046 1990 10.2699085433861 1991 10.3388046014934 1992 10.4804199395196 1993 10.6640739756306 1994 10.8934775543461 1995 11.1094615325784 1996 11.2383109357444 1997 11.2972493653719 1998 11.4082407561643 1999 11.4611617278614 2000 11.3602921477061 2001 11.1948396919364 2002 10.9900694541185 2003 10.7032238106985 2004 10.3768820002699 2005 10.0317491663945 2006 9.67549988585799 2007 9.35688502846671 2008 9.02398419348347 2009 8.76539756690291 2010 8.65593532320352 2011 8.60249761500004 2012 8.54794422850622 2013 8.48425789762761 2014 8.3380218296388 2015 8.11463341450991 2016 7.92656737097333 2017 7.78525658654639 2018 7.73259322652246 2019 7.76456341877566 2020 7.79248226236602 2021 7.75683922944071 2022 7.6519127306334 2023 7.47492328127147