Year % of female population 1960 14.0749601275917 1961 14.3289334631882 1962 14.6433617988573 1963 15.028591670462 1964 15.4490334974187 1965 15.8605341246291 1966 16.1955788465111 1967 16.3991767559159 1968 16.4594315837726 1969 16.4002792821693 1970 16.2091466763477 1971 15.9688001835283 1972 15.7830442218422 1973 15.6007034018585 1974 15.3749240108191 1975 15.0590320310667 1976 14.6963462311687 1977 14.3645245515034 1978 14.0922959572845 1979 13.907863059534 1980 13.8740807347699 1981 13.922562111311 1982 13.9673082443115 1983 14.0403485479711 1984 14.1205094316953 1985 14.1051899941586 1986 13.9789568790895 1987 13.8187018512131 1988 13.6305596935518 1989 13.4232655921514 1990 13.2153437249093 1991 13.0081023104565 1992 12.7754282943648 1993 12.5126115123195 1994 12.2298386568279 1995 11.9237821272846 1996 11.6151705208614 1997 11.317337874417 1998 11.024381024381 1999 10.7285628622826 2000 10.4451524129467 2001 10.2015431319544 2002 10.0044042623472 2003 9.83101518493537 2004 9.67490671078532 2005 9.44867239640851 2006 9.09888404845736 2007 8.71500819146663 2008 8.35759375941137 2009 8.0296000469842 2010 7.70200105011376 2011 7.39822373109166 2012 7.16692295730601 2013 7.00525293723399 2014 6.89894874789892 2015 6.73018068055587 2016 6.49842698149589 2017 6.30525512722703 2018 6.12126422024494 2019 5.91379032571679 2020 5.78911858070367 2021 5.7732481548646 2022 5.75850575850576 2023 5.73128272610138