Year % of female population 1960 18.2736980370217 1961 18.2998861372047 1962 18.245528962165 1963 18.1393943463372 1964 18.0713644863854 1965 18.0396779038718 1966 17.9939607448415 1967 17.9287629707357 1968 17.8379798131402 1969 17.7188247228462 1970 17.5638905658066 1971 17.3666009993828 1972 17.0567384595234 1973 16.6493236212279 1974 16.2296637430284 1975 15.817332563597 1976 15.443567793026 1977 15.1180610739017 1978 14.7311746521347 1979 14.2972315687777 1980 13.9635777598711 1981 13.7597865656012 1982 13.6259774397559 1983 13.5880879912267 1984 13.7460963240982 1985 13.9983333985806 1986 14.1673123301723 1987 14.2592385486731 1988 14.384276889667 1989 14.3858225794184 1990 14.1879197957717 1991 13.9267467868631 1992 13.6185549363814 1993 13.1924140471627 1994 12.7043270881301 1995 12.201332559531 1996 11.6881795581821 1997 11.1855374343638 1998 10.6539557252626 1999 10.2139053142692 2000 9.94530473956895 2001 9.75777650002834 2002 9.59979303070708 2003 9.45450131372342 2004 9.23948875137355 2005 8.95736649019801 2006 8.70473146689321 2007 8.49198461578249 2008 8.3745266277602 2009 8.37162670231431 2010 8.39787779261559 2011 8.37834348303243 2012 8.30581606818101 2013 8.15045800038979 2014 7.93399066051536 2015 7.71026243990259 2016 7.47869760997575 2017 7.26307683845773 2018 7.06601975512375 2019 6.85838762270073 2020 6.63647494926114 2021 6.45371686039353 2022 6.30095388982407 2023 6.15909076038238