Year % of female population 1960 13.8999205497128 1961 13.9027375569615 1962 13.4153966083332 1963 12.5309423537033 1964 11.8043610094377 1965 11.3800840964605 1966 11.2331098565819 1967 11.7037797064532 1968 12.646601963794 1969 13.467037449932 1970 14.1725982152326 1971 14.7619952910611 1972 15.0258007660961 1973 15.0833129108167 1974 15.1580976384674 1975 15.2377220386877 1976 15.3060862050308 1977 15.3550080044022 1978 15.3705973720601 1979 15.3444259770117 1980 15.2826165960907 1981 15.1918416353037 1982 15.0774408943722 1983 14.9484125705634 1984 14.8067271462347 1985 14.6649330343676 1986 14.539797872242 1987 14.4377148274536 1988 14.3548537262096 1989 14.297425286337 1990 14.2439169908629 1991 14.165578616903 1992 14.0692629881462 1993 13.9810924714121 1994 13.9203091264058 1995 13.9092179765876 1996 13.9651277180459 1997 14.0608514432261 1998 14.1610073674017 1999 14.228604613712 2000 14.2336575305091 2001 14.1744638691514 2002 14.091457057714 2003 14.0047638154604 2004 13.9108066440551 2005 13.8234135871626 2006 13.7364071230523 2007 13.6178854593812 2008 13.4736646297301 2009 13.3414246155891 2010 13.2058520306551 2011 13.0664564003028 2012 12.951992238935 2013 12.8655720770764 2014 12.8022672815624 2015 12.8036582009019 2016 12.9072873855364 2017 13.0581487773327 2018 13.1831258483547 2019 13.248174141602 2020 13.2016788239521 2021 12.9882871804913 2022 12.6457665708814 2023 12.2726975545313