Year % of female population 1960 17.0509028917566 1961 17.0701246739428 1962 17.0181626359813 1963 16.8761963804055 1964 16.6336078071296 1965 16.3017823882795 1966 15.9166484689819 1967 15.5366526829249 1968 15.2016026282954 1969 14.9191854023904 1970 14.6834699620702 1971 14.4839119151904 1972 14.2979546372572 1973 14.100447541812 1974 13.8952985174088 1975 13.708233247256 1976 13.5298094525676 1977 13.3278363918496 1978 13.1026432580747 1979 12.8595615280493 1980 12.6008503998715 1981 12.3596814834697 1982 12.1832327111472 1983 12.0736519423356 1984 12.017419247516 1985 11.9924353216094 1986 11.9610631399865 1987 11.903934131482 1988 11.8241460464535 1989 11.7172616769325 1990 11.5814661440164 1991 11.4144667187284 1992 11.2117152393262 1993 10.9787166464593 1994 10.7354948519173 1995 10.4954247185967 1996 10.2407742196295 1997 9.93392833959205 1998 9.5715132895904 1999 9.17216004336534 2000 8.74043039610977 2001 8.2950002608975 2002 7.85943345974049 2003 7.45839549545214 2004 7.08459656496152 2005 6.7296633593731 2006 6.41387115734948 2007 6.13556536638695 2008 5.89924896430465 2009 5.72442187152716 2010 5.61683561994709 2011 5.5766352320479 2012 5.58924555553822 2013 5.62299304783604 2014 5.65285707477648 2015 5.65309979790471 2016 5.5986532989789 2017 5.48217999060703 2018 5.30587740387964 2019 5.09678803900229 2020 4.91960854982777 2021 4.80246788287705 2022 4.74416596613216 2023 4.73474469858711