Year % of female population 1960 15.8624484772195 1961 15.8882923902673 1962 15.9132709074001 1963 15.9342563748722 1964 15.9511128992035 1965 15.9635694790554 1966 15.9721290280761 1967 15.979137055333 1968 15.987776887982 1969 16.0044013114014 1970 16.0328487332403 1971 16.073966575332 1972 16.1220623304228 1973 16.1708957845173 1974 16.2167093338414 1975 16.2558309498245 1976 16.2897124320963 1977 16.3265886858998 1978 16.3698012483557 1979 16.4276491759697 1980 16.4935154122228 1981 16.555649195596 1982 16.6221114052901 1983 16.6903648484001 1984 16.7482002777655 1985 16.8039180190265 1986 16.8737056825712 1987 16.9569361173794 1988 17.0495709292769 1989 17.1507355500745 1990 17.2501579129311 1991 17.3430744788693 1992 17.4256846987637 1993 17.4811959006685 1994 17.5028307318887 1995 17.4829377286662 1996 17.4366474936256 1997 17.4239272140495 1998 17.363406596053 1999 17.2360228949829 2000 17.1377911740828 2001 17.062128766812 2002 16.9167421831049 2003 16.7296229693236 2004 16.589390824107 2005 16.4843583028842 2006 16.4078971844672 2007 16.3599681227195 2008 16.3432524475344 2009 16.3421889524928 2010 16.3319895568021 2011 16.2966850692782 2012 16.2335765971787 2013 16.1422334554742 2014 16.0271572139285 2015 15.9139783673569 2016 15.8160273084954 2017 15.7088294566442 2018 15.577454516456 2019 15.4229440689631 2020 15.2438913146142 2021 15.0526390900504 2022 14.8680706328854 2023 14.6880660692777