Year % of female population 1960 12.5234393489778 1961 12.7142667903034 1962 12.9897792665121 1963 13.3140279370287 1964 13.6979141144379 1965 14.1161559799764 1966 14.4713484895671 1967 14.7467688035036 1968 14.9319299508216 1969 15.0556264146214 1970 15.1325951225879 1971 15.1942630846623 1972 15.2362489551945 1973 15.2325163217882 1974 15.2512644803394 1975 15.3249647974267 1976 15.3824459223696 1977 15.3022470383478 1978 15.1444894194805 1979 15.0402944349261 1980 14.9714422302738 1981 14.886670786594 1982 14.6815457275661 1983 14.3911623775506 1984 14.102265795481 1985 13.7848812204316 1986 13.4162918921666 1987 13.084615921212 1988 12.9130152240708 1989 12.8868993354416 1990 12.9378566501536 1991 12.9554908745675 1992 12.7657464453508 1993 12.4346834138802 1994 12.1295532812727 1995 11.8674337768189 1996 11.6612756075309 1997 11.5111621260746 1998 11.4205982990105 1999 11.3996015206339 2000 11.4529885487105 2001 11.6294467512064 2002 11.9081043741783 2003 12.2041313617988 2004 12.482916721774 2005 12.6964794180095 2006 12.7619401030298 2007 12.69650317819 2008 12.5725068138934 2009 12.398496441044 2010 12.1954184593592 2011 11.9817815354815 2012 11.757906249838 2013 11.544817251537 2014 11.3724015630002 2015 11.2423266579451 2016 11.1557038291092 2017 11.096389043498 2018 11.0572354474793 2019 11.0559084031265 2020 11.1087368406057 2021 11.2080101852845 2022 11.3676185933013 2023 11.5451718464682