Year % of female population 1960 12.1854030741943 1961 12.3497770843015 1962 12.5076394656577 1963 12.6562152236429 1964 12.8378253849328 1965 13.0538787625604 1966 13.2619920439892 1967 13.4494853240061 1968 13.6106062023901 1969 13.741784995866 1970 13.8498174483485 1971 13.9268331660002 1972 13.9613458479678 1973 13.9583363766939 1974 13.9218705279369 1975 13.8564791054984 1976 13.7729305626785 1977 13.6711647287697 1978 13.5383774708824 1979 13.3842533963591 1980 13.2245087393907 1981 13.0610770423329 1982 12.9060454486554 1983 12.7774565621118 1984 12.6594392865002 1985 12.5324846062609 1986 12.403879069319 1987 12.2738736967677 1988 12.1330952396231 1989 11.9937812360736 1990 11.8665914000952 1991 11.7404842011842 1992 11.6176872495199 1993 11.5201111999956 1994 11.4526220864809 1995 11.39072975673 1996 11.3308461635933 1997 11.2832406605313 1998 11.2430186212701 1999 11.2186269365822 2000 11.2163654388738 2001 11.2191719457962 2002 11.2031588521541 2003 11.1577926689368 2004 11.0796293937672 2005 10.9672395615708 2006 10.8322710044054 2007 10.6738301630036 2008 10.4790986038222 2009 10.2746257130836 2010 10.0993202216443 2011 9.94407032675403 2012 9.80121300790149 2013 9.68053808881789 2014 9.55747265255635 2015 9.40649003537715 2016 9.23503821119561 2017 9.06932195030375 2018 8.94416631540235 2019 8.87503438413213 2020 8.84610643853827 2021 8.84728983949491 2022 8.86052780384228 2023 8.84933391591666