Year % of female population 1960 9.6984839335851 1961 9.7461541138581 1962 9.78925119280117 1963 9.74029889279929 1964 9.52278997157832 1965 9.2772712408684 1966 9.08838186078668 1967 8.907711737353 1968 8.80435094524823 1969 8.85320461876827 1970 8.94139748037596 1971 9.00134426207864 1972 9.07265428450506 1973 9.15503305408647 1974 9.23726193694974 1975 9.31403804295418 1976 9.39155492013097 1977 9.46858263207084 1978 9.5453472535234 1979 9.62237369888709 1980 9.69128704476303 1981 9.74735517885534 1982 9.79728816613361 1983 9.83692500380372 1984 9.86162085716805 1985 9.88067694661725 1986 9.89799313190492 1987 9.91053050759731 1988 9.92329653950477 1989 9.94791990544147 1990 9.98015489178021 1991 10.0094809277037 1992 10.036286098971 1993 10.0617724967975 1994 10.0794943581717 1995 10.0884118005192 1996 10.0969106184453 1997 10.1075280945769 1998 10.1217811022208 1999 10.1422516433413 2000 10.1693277751446 2001 10.1988144609741 2002 10.2282630769677 2003 10.252313998438 2004 10.2675799001325 2005 10.2796563468838 2006 10.2918883043752 2007 10.3077968310808 2008 10.336742949446 2009 10.3809233606512 2010 10.4298261136827 2011 10.4830483057376 2012 10.539470332969 2013 10.5949348980252 2014 10.6550742299184 2015 10.7240665135402 2016 10.7935900996933 2017 10.857336573012 2018 10.9037385291148 2019 10.9091545123593 2020 10.8863094481228 2021 10.860689364 2022 10.8304456523612 2023 10.8037748833803