Year % of female population 1960 10.301251763913 1961 10.0391478083312 1962 9.75131316554358 1963 9.45523799945945 1964 9.1946495919283 1965 9.02077394505938 1966 8.9725527472714 1967 9.07985473985178 1968 9.34001475717023 1969 9.72334498720477 1970 10.1865322794335 1971 10.6997238250473 1972 11.1920477433099 1973 11.5955551785563 1974 11.8944636678201 1975 12.0843068256008 1976 12.1658648735896 1977 12.1495185954314 1978 12.0428315184897 1979 11.853551052802 1980 11.5954013445108 1981 11.4166774235188 1982 11.3450117469636 1983 11.2155267844251 1984 10.9876589780717 1985 10.6946367386896 1986 10.357419080137 1987 9.98068355298003 1988 9.57105537094127 1989 9.13275071017756 1990 8.68974517320532 1991 8.62479733381373 1992 8.94608270048074 1993 9.28367824615884 1994 9.57127556484929 1995 9.78996647055102 1996 9.96215374704745 1997 10.1116883890225 1998 10.1935516529449 1999 10.1475067352265 2000 9.95283883489824 2001 9.63148700717969 2002 9.26827992493838 2003 9.14775908370579 2004 9.35047996817163 2005 9.4721365288362 2006 9.28889820001081 2007 8.88536068437229 2008 8.4027877315375 2009 7.95626901492644 2010 7.72226392106952 2011 7.67171174945665 2012 7.53151141635982 2013 7.25574924643241 2014 7.05902218190138 2015 6.97848465488503 2016 6.88191080016259 2017 6.77084002739439 2018 6.74553048507641 2019 6.81115020355612 2020 6.8663953511334 2021 6.99312677600357 2022 7.28803965473525 2023 7.60640723384851