Year % of female population 1960 7.63097167016614 1961 7.60753372240375 1962 7.51286762660981 1963 7.32961715885838 1964 7.06736031232412 1965 6.77551604741845 1966 6.65497437128577 1967 6.75931259658622 1968 6.93377865027231 1969 7.09188685604992 1970 7.22302540546764 1971 7.20681745774633 1972 7.01687119813002 1973 6.80200739716007 1974 6.64316255102057 1975 6.5722076100456 1976 6.57250269073501 1977 6.62472330390265 1978 6.68846344308905 1979 6.76234540947892 1980 6.88020776378271 1981 7.01550546779876 1982 7.13757982182899 1983 7.28971827419601 1984 7.48756918850278 1985 7.67823202584006 1986 7.81588472401805 1987 7.89441113199178 1988 7.90438228735056 1989 7.8427753989592 1990 7.73752726138498 1991 7.67374532307119 1992 7.61972310015723 1993 7.53270143834678 1994 7.44045544605753 1995 7.3267041156991 1996 7.15696695611871 1997 6.92565846953734 1998 6.66685036419937 1999 6.36982520085625 2000 6.06298732863711 2001 5.80416697632287 2002 5.59394312953009 2003 5.41701644554904 2004 5.26385966204631 2005 5.12974791526486 2006 5.00550987117051 2007 4.90944484109456 2008 4.87573290032398 2009 4.86894329268981 2010 4.86777793323313 2011 4.88289143835254 2012 4.90442574736647 2013 4.89123391605817 2014 4.83483628906845 2015 4.76376986908732 2016 4.69294606848749 2017 4.63521451709716 2018 4.60207850298458 2019 4.59707392599507 2020 4.61297346000162 2021 4.63087115163966 2022 4.63904302872082 2023 4.65189836046736