Year % of female population 1960 20.1903321561379 1961 20.5556609228634 1962 20.7907140298468 1963 20.9784724657957 1964 21.2311737909403 1965 21.5103446215765 1966 21.7797555068326 1967 22.0282394309918 1968 22.2505697591769 1969 22.4346138671896 1970 22.5133744423411 1971 22.477888435506 1972 22.3636349704561 1973 22.1613568863297 1974 21.8933242058181 1975 21.5602019308237 1976 21.1166542183695 1977 20.5878595865664 1978 20.0183733804839 1979 19.4383644161788 1980 18.9313414242083 1981 18.5281690361616 1982 18.1487013392623 1983 17.7452214390974 1984 17.3535316631478 1985 17.0276967941038 1986 16.7668025683889 1987 16.5629006991823 1988 16.4430951130398 1989 16.382675027903 1990 16.3651256420242 1991 16.4410953888819 1992 16.5830632490364 1993 16.7054995769838 1994 16.7782208855047 1995 16.7897556036046 1996 16.7241917329522 1997 16.5836223203791 1998 16.4243135591772 1999 16.2662977174841 2000 16.0983192496129 2001 15.9032084621995 2002 15.7230975577933 2003 15.5649338546388 2004 15.382401689517 2005 15.1892078430185 2006 14.9689590202544 2007 14.7302761099819 2008 14.4952956642342 2009 14.2765920300547 2010 14.0939811618144 2011 13.9287301680447 2012 13.7822980734756 2013 13.6765909924299 2014 13.6201746586538 2015 13.6437198033369 2016 13.7214949584458 2017 13.7756049544159 2018 13.7928777953618 2019 13.791615077289 2020 13.7752544213159 2021 13.7596981133075 2022 13.7546409425327 2023 13.7527742156861