Year % of female population 1960 8.0567137883077 1961 7.77459142699615 1962 7.47593482920048 1963 7.20740057401378 1964 6.95412390044077 1965 6.75794378492133 1966 6.65110340653532 1967 6.58468396154994 1968 6.51493680837566 1969 6.46207040194747 1970 6.40542368226663 1971 6.33132106688938 1972 6.28500148260729 1973 6.3034142725026 1974 6.42867955452801 1975 6.63041948270605 1976 6.8382699311302 1977 7.00858527560732 1978 7.0740523173568 1979 6.97752525122695 1980 6.80418692410804 1981 6.66173954336439 1982 6.54527815470852 1983 6.46440677203378 1984 6.44821838338331 1985 6.41969329248928 1986 6.29396792577673 1987 6.10815059118596 1988 5.91175711135508 1989 5.72306288915666 1990 5.5859202744557 1991 5.50917166213035 1992 5.45962271384396 1993 5.43226192383894 1994 5.41667898729112 1995 5.41955927229332 1996 5.4785344003391 1997 5.59679544478823 1998 5.77470952640105 1999 5.99516686385773 2000 6.23131407339989 2001 6.45105431928868 2002 6.61828670010481 2003 6.69802732920903 2004 6.6649706669473 2005 6.49838390961728 2006 6.21761900899887 2007 5.89026597015944 2008 5.56532361530482 2009 5.28648679298372 2010 5.09483060654641 2011 5.00414348451409 2012 5.00578358881216 2013 5.08026407378359 2014 5.18844990728607 2015 5.30136626285907 2016 5.42266699702476 2017 5.5427392301291 2018 5.63870941207271 2019 5.72300565641807 2020 5.81859241571111 2021 5.8907519621883 2022 5.90433448531283 2023 5.88556060254066