Year % of female population 1960 19.1269919965162 1961 19.1143643489937 1962 19.0818766930712 1963 19.0151051219719 1964 18.907770300817 1965 18.7603220266866 1966 18.58876946756 1967 18.3978032295962 1968 18.2073282040993 1969 18.0312788355214 1970 17.8673016668953 1971 17.7272179198334 1972 17.5981248290808 1973 17.4758014049055 1974 17.3606757733443 1975 17.243292493423 1976 17.112677930145 1977 16.9567256802519 1978 16.7841822210867 1979 16.617546990711 1980 16.4652495468965 1981 16.3367478743675 1982 16.232144461587 1983 16.1117650408505 1984 15.9385842494126 1985 15.6983518162789 1986 15.3915846958034 1987 15.0184171495202 1988 14.5945567595436 1989 14.1512642167114 1990 13.7220922472936 1991 13.3427336382437 1992 13.0162167134576 1993 12.7196433518449 1994 12.4478656339097 1995 12.1903527621274 1996 11.9022338536174 1997 11.5902934004362 1998 11.3011090558192 1999 11.0407306152768 2000 10.806974461084 2001 10.600853577478 2002 10.4043219759189 2003 10.2146382258588 2004 10.0742603253244 2005 9.97686592435804 2006 9.89551544561983 2007 9.84542211881787 2008 9.82084200576373 2009 9.8164222044393 2010 9.82839136020706 2011 9.8506324284203 2012 9.87295447362054 2013 9.88363553331342 2014 9.85754959988487 2015 9.7877964401652 2016 9.66164469709057 2017 9.49318307569452 2018 9.31071309718601 2019 9.11476194278291 2020 8.91223752650838 2021 8.72418852038449 2022 8.54623224375561 2023 8.36277136209774