Year % of female population 1960 17.58885555055526 1961 17.659545282436568 1962 17.740382018829497 1963 17.81495475758128 1964 17.871236302418147 1965 17.915764395766438 1966 17.951587035505817 1967 17.98595670687216 1968 18.025374550573716 1969 18.068547601905333 1970 18.113326153572878 1971 18.15626562492409 1972 18.19724198206304 1973 18.227230542703676 1974 18.236603207802023 1975 18.238678269567956 1976 18.241658279616676 1977 18.255686061087335 1978 18.28288663675135 1979 18.321081833233425 1980 18.36572602618974 1981 18.39897133708559 1982 18.415382038515048 1983 18.404781230606687 1984 18.36968465231325 1985 18.334222934500996 1986 18.30999661915564 1987 18.30241664112174 1988 18.288571155053152 1989 18.273217237440573 1990 18.262816124063676 1991 18.228381482601204 1992 18.175249665837917 1993 18.125654214792593 1994 18.05563626602427 1995 17.98988323132379 1996 17.959465407352983 1997 17.92439800568183 1998 17.864548611535003 1999 17.803969129285598 2000 17.74372955610296 2001 17.67130878723107 2002 17.609985232482195 2003 17.555613377691056 2004 17.492728582974785 2005 17.422882479386075 2006 17.355374743394027 2007 17.29759484602457 2008 17.229687234715765 2009 17.144610485524954 2010 17.057387194789367 2011 16.953567034224072 2012 16.832747202436252 2013 16.705120448212842 2014 16.563308277387407 2015 16.417868366002278 2016 16.272879720393608 2017 16.12884313848653 2018 15.997358943872374 2019 15.8768611710348 2020 15.75600775564177 2021 15.6367422750782 2022 15.519372725500645 2023 15.390593967212565