Year % of female population 1960 12.0043019030801 1961 12.4525429562022 1962 12.800401704999 1963 13.013652452589 1964 13.0724519496838 1965 13.0400541307051 1966 12.9880883263397 1967 12.9245830768482 1968 12.8467828240069 1969 12.7690386961405 1970 12.698865188493 1971 12.6442054606546 1972 12.6286027575937 1973 12.637686176955 1974 12.6499050347844 1975 12.674494859844 1976 12.7205894864418 1977 12.7887594131254 1978 12.8793738390305 1979 13.0003695984529 1980 13.1421098621345 1981 13.2648052724515 1982 13.3360428399166 1983 13.3454316350659 1984 13.2944722856458 1985 13.2144550996564 1986 13.1150529880021 1987 12.9898812870854 1988 12.8602713107198 1989 12.7435160968236 1990 12.6351213288129 1991 12.5371163303261 1992 12.4602389884526 1993 12.4142379816504 1994 12.4143611191774 1995 12.5258778722276 1996 12.693602896521 1997 12.8780578684874 1998 13.0745173305964 1999 13.2401518731673 2000 13.3939512460375 2001 13.5242272893444 2002 13.623895470681 2003 13.7112692934772 2004 13.8040478065077 2005 13.8921251813697 2006 13.9518989656882 2007 13.976277272758 2008 13.9761868654678 2009 13.9674349625667 2010 13.9574944943977 2011 13.9649241898486 2012 13.9934502653157 2013 14.0254320688992 2014 14.0449920956398 2015 14.0338777308945 2016 13.9688392701803 2017 13.8564570329716 2018 13.7282085359698 2019 13.5843577750143 2020 13.4455954512758 2021 13.318692410619 2022 13.2088855060183 2023 13.1155816780444