Year % of female population 1960 17.5164643338888 1961 17.6239230865277 1962 17.6312787148099 1963 17.5572519083969 1964 17.4547260985413 1965 17.3910461058727 1966 17.372032125459 1967 17.3928694850824 1968 17.4142031940197 1969 17.3855554163709 1970 16.9934910346915 1971 16.1767931563939 1972 15.2949226768852 1973 14.4776730848013 1974 13.7283748808064 1975 13.1630808540712 1976 12.7823220607984 1977 12.4324251087295 1978 12.0667939706659 1979 11.6805721096543 1980 11.2650471749268 1981 10.8604300110155 1982 10.6046104624135 1983 10.5873941260587 1984 10.7653815849495 1985 11.0456390016121 1986 11.3031691912135 1987 11.4532556016015 1988 11.498489084696 1989 11.4797149589757 1990 11.4156359793196 1991 11.3165595593298 1992 11.2044335328997 1993 11.0656561306807 1994 10.8925391993567 1995 10.720188562641 1996 10.5307849514982 1997 10.2966841186736 1998 10.0353029689218 1999 9.73826859077763 2000 9.37362990676059 2001 9.01651365382923 2002 8.75289563967979 2003 8.54992458963583 2004 8.36797423887587 2005 8.18779370214759 2006 7.98196298899039 2007 7.76259719720599 2008 7.59840558046836 2009 7.49948663791839 2010 7.39603684063634 2011 7.23302326264897 2012 7.03684711742729 2013 6.83315481343448 2014 6.5932151722336 2015 6.40937383472449 2016 6.32889627602413 2017 6.27421376481313 2018 6.24531742553823 2019 6.26345965599217 2020 6.28046078865751 2021 6.29450416517747 2022 6.32920044290733 2023 6.34700401278651