Year % of female population 1960 4.74665902402998 1961 4.78534240867812 1962 4.78536984682134 1963 4.79115719717371 1964 4.84238509540881 1965 4.94949331556137 1966 5.09498787346069 1967 5.22751758738676 1968 5.28832924138441 1969 5.25848773750069 1970 5.1363475411919 1971 4.94595136560762 1972 4.71158938349996 1973 4.46035863958613 1974 4.2668416419771 1975 4.17937612541383 1976 4.20625090040254 1977 4.33479456467962 1978 4.53426139292613 1979 4.79354733231162 1980 5.09140970405433 1981 5.41123650292662 1982 5.74002522191384 1983 6.02966292808658 1984 6.22677889172352 1985 6.28969374329914 1986 6.22379507814451 1987 6.0713817687925 1988 5.86581865636466 1989 5.6698627392737 1990 5.5484577191137 1991 5.56094634076013 1992 5.71985251939455 1993 5.97204909593724 1994 6.26685680481866 1995 6.50057291398133 1996 6.52205038822666 1997 6.1887931981493 1998 5.49025117955101 1999 4.6217542568537 2000 3.82317969295307 2001 3.28482585270507 2002 3.17577576864333 2003 3.52369919732836 2004 4.1345267424489 2005 4.76096135101123 2006 5.25225161021682 2007 5.57671388475096 2008 5.77808670632165 2009 5.90971129224345 2010 6.04268920251297 2011 6.20298982548193 2012 6.36778041862297 2013 6.54228711464569 2014 6.71409063721415 2015 6.87682878037829 2016 7.03324904365563 2017 7.15751212400792 2018 7.22140898356523 2019 7.20315982248042 2020 7.09240127082113 2021 6.90283749529779 2022 6.68108759136962 2023 6.46647477878748