Year % of female population 1960 9.24274930650213 1961 9.24458839979469 1962 9.16018259772347 1963 9.11993166195314 1964 9.14559550163107 1965 9.14931079982521 1966 9.21952915947737 1967 9.45249277026331 1968 9.70691231482988 1969 9.89625914581185 1970 9.96770853850077 1971 9.87894884797185 1972 9.49529945346698 1973 8.86519532021837 1974 8.34851167464844 1975 8.04977810877244 1976 7.95156059946586 1977 8.29650335612491 1978 8.98315261222733 1979 9.59138404637939 1980 10.1260962294337 1981 10.5818893940609 1982 10.8065828467362 1983 10.8825059649921 1984 10.9681446276504 1985 11.0546647193677 1986 11.1323580512104 1987 11.1924124582313 1988 11.2276616476167 1989 11.2345202936919 1990 11.2114623578546 1991 11.1528307428018 1992 11.0640367997052 1993 10.959931636527 1994 10.8501630905448 1995 10.7423662694098 1996 10.6490724529621 1997 10.571031410424 1998 10.5069456867075 1999 10.4645001839844 2000 10.4320135010351 2001 10.394063096042 2002 10.3527306917064 2003 10.3213634513028 2004 10.3079127174578 2005 10.329521707255 2006 10.4001074294155 2007 10.5040197015245 2008 10.610644683243 2009 10.6867250606764 2010 10.7096140826451 2011 10.6721937443809 2012 10.6104324089195 2013 10.5478479114613 2014 10.4839969181358 2015 10.431687180126 2016 10.3892787269243 2017 10.3339557872605 2018 10.2635260241157 2019 10.2024650758063 2020 10.151654754606 2021 10.1100289728869 2022 10.0875577212507 2023 10.0817263606029