Year % of female population 1960 9.14779673481278 1961 8.94381243678598 1962 8.69131294098814 1963 8.42481640421059 1964 8.19091131068561 1965 8.0184679148739 1966 7.90996982795565 1967 7.87039926147911 1968 7.89192754767656 1969 8.01390655388457 1970 8.21280798930883 1971 8.41846926841048 1972 8.62694620604856 1973 8.84400995854224 1974 9.01833488713591 1975 9.14869079571269 1976 9.27727050317708 1977 9.40198181846893 1978 9.52280445023017 1979 9.63908846629102 1980 9.75485217640271 1981 9.87050853768427 1982 9.99580374487349 1983 10.1358876558327 1984 10.2751626332414 1985 10.4007184778808 1986 10.5033628192299 1987 10.5751013378352 1988 10.6145417489672 1989 10.6151863116259 1990 10.548824685612 1991 10.4151956551782 1992 10.2117488545721 1993 9.92312659183876 1994 9.55112087217017 1995 9.1189454095084 1996 8.6741539842545 1997 8.26294209362647 1998 7.90109619265669 1999 7.58614758691279 2000 7.44576711417578 2001 7.52826476342335 2002 7.69103475682845 2003 7.82895044765857 2004 7.91746993152735 2005 7.94653698905228 2006 7.87532977130165 2007 7.70843880497357 2008 7.51296170827289 2009 7.32117889815973 2010 7.18856570509881 2011 7.13850456473723 2012 7.09246249330642 2013 7.01911700430394 2014 6.94918627560383 2015 6.91282211427298 2016 6.89839839120702 2017 6.87912287720205 2018 6.8202175295128 2019 6.69363491927906 2020 6.49553125865913 2021 6.24791930392439 2022 5.99904174287159 2023 5.78807390486222