Year % of female population 1960 15.7641572285143 1961 15.8025781907908 1962 15.8069018582278 1963 15.7829183673242 1964 15.7315017387597 1965 15.6621363183797 1966 15.5841346546292 1967 15.4802235226543 1968 15.3614629651652 1969 15.2655219558894 1970 15.1987592924514 1971 15.1791800782599 1972 15.200654529866 1973 15.2427023028213 1974 15.3260064549848 1975 15.4685577723028 1976 15.6584921804737 1977 15.8823533879645 1978 16.0954345800612 1979 16.2446051657967 1980 16.3129918653278 1981 16.3018322411712 1982 16.2331025474934 1983 16.1425571102513 1984 16.0442628982199 1985 15.9301224277889 1986 15.8107204266301 1987 15.7138566483109 1988 15.6196069999647 1989 15.4870900952594 1990 15.3140658480585 1991 15.1161833915859 1992 14.8744744198251 1993 14.5759520316121 1994 14.2518363861852 1995 13.9405433501097 1996 13.6630347452534 1997 13.4337057498838 1998 13.2494485415563 1999 13.0883053018517 2000 12.9366534270292 2001 12.7938509877622 2002 12.6807256066972 2003 12.6232451075129 2004 12.6023058462385 2005 12.5888161101377 2006 12.5864082666878 2007 12.5675953787636 2008 12.5391532390742 2009 12.5334318195789 2010 12.5300377451092 2011 12.537992602886 2012 12.5347725768249 2013 12.5190436348251 2014 12.5163750636677 2015 12.5093058585175 2016 12.4723927847014 2017 12.3858576874033 2018 12.2547759037832 2019 12.1027695952812 2020 11.9575887872565 2021 11.8149021874417 2022 11.6806995289854 2023 11.5519220112548