Year % of female population 1960 7.23266941137198 1961 7.3015873015873 1962 7.3731728288908 1963 7.35743649204174 1964 7.2928519706217 1965 7.20081135902637 1966 7.04701321936189 1967 6.84277220001949 1968 6.56536697247706 1969 6.27933170640135 1970 6.22214136268535 1971 6.29648849679986 1972 6.42810350474943 1973 6.68685927306617 1974 7.06481618189871 1975 7.51213336146867 1976 7.98279801102002 1977 8.44490216271885 1978 8.90457613474518 1979 9.27484333034915 1980 9.47446759789329 1981 9.68589252489876 1982 9.88907492674759 1983 10.0621055794851 1984 10.3014592933948 1985 10.5895900506679 1986 10.8361736974901 1987 11.0869750404634 1988 11.3263296126067 1989 11.321723334518 1990 11.1463405427849 1991 11.0316833105827 1992 11.0129443188823 1993 11.067154907474 1994 11.2156544028008 1995 11.4686863848641 1996 11.7348110715516 1997 11.8812427570222 1998 11.814872871224 1999 11.4591075684958 2000 10.8067951067307 2001 10.0438249874273 2002 9.37797046345026 2003 8.92263455836104 2004 8.73976659118621 2005 8.79396984924623 2006 9.0266393442623 2007 9.31995940056123 2008 9.53615226894657 2009 9.58465852419218 2010 9.40535982696044 2011 8.97272906333375 2012 8.42452300785634 2013 7.98453608247423 2014 7.7491458098396 2015 7.68482810903458 2016 7.7507745933385 2017 7.91728586334461 2018 8.09424164922886 2019 8.18898596608725 2020 8.17500749175906 2021 7.9480111447033 2022 7.48167408517327 2023 6.95860915108751