Year % of female population 1960 9.46261126184016 1961 9.4246487280742 1962 9.36918578896075 1963 9.31273833497579 1964 9.26860680085582 1965 9.40017724782468 1966 9.7018568053576 1967 10.0119324961646 1968 10.3112876238807 1969 10.591488982068 1970 10.7236193080531 1971 10.7142857142857 1972 10.7224808234446 1973 10.753701426267 1974 10.8086656083668 1975 10.8900666676791 1976 10.9691682245764 1977 11.0248087178298 1978 11.0587504938202 1979 11.0783857091975 1980 11.0902680768975 1981 11.1023520289481 1982 11.1187836633228 1983 11.1401207832611 1984 11.170137077266 1985 11.2241015530421 1986 11.3014505435331 1987 11.3649767370743 1988 11.3956616422563 1989 11.4064218741816 1990 11.4152010696287 1991 11.4380933144819 1992 11.3785277284389 1993 11.2939438133251 1994 11.3378621154278 1995 11.4332361731174 1996 11.5563420963349 1997 11.7591249532463 1998 12.0006536897153 1999 12.2157779969418 2000 12.2457084062889 2001 11.9984505342054 2002 11.6116476863197 2003 11.2099162212913 2004 10.8902638993323 2005 10.6907879769586 2006 10.6350077774728 2007 10.778569981024 2008 11.0382077529164 2009 11.2745327212036 2010 11.4124219643426 2011 11.4199983174268 2012 11.3865906380441 2013 11.4204809209915 2014 11.4274881165961 2015 11.3500322313289 2016 11.2078844831538 2017 10.9615788177115 2018 10.6785801846958 2019 10.4688375793299 2020 10.3754443925737 2021 10.3782476481781 2022 10.3466192296176 2023 10.2252609730786