Year % of female population 1960 8.26274726529904 1961 8.13015325307734 1962 8.00713663842258 1963 7.89937683772989 1964 7.80147016913031 1965 7.6756383403612 1966 7.52682582687565 1967 7.42067156624739 1968 7.43583975931563 1969 7.54383567004738 1970 7.64653234417544 1971 7.72161806817107 1972 7.75078860411676 1973 7.70361034033656 1974 7.64901454551407 1975 7.63815347219041 1976 7.64986013224385 1977 7.68633603835889 1978 7.67176628025933 1979 7.54707112568427 1980 7.36344245368191 1981 7.15401469606465 1982 6.94471203324528 1983 6.76970550199975 1984 6.61643419651548 1985 6.49264813357072 1986 6.4223181647886 1987 6.36817687838617 1988 6.30647817136945 1989 6.23642203304253 1990 6.13740617447937 1991 5.9653892385874 1992 5.72362481333197 1993 5.44746976247377 1994 5.14119643408489 1995 4.82174359002513 1996 4.54458382673188 1997 4.3066658124763 1998 4.09050141993656 1999 3.96696486536705 2000 3.95097147144213 2001 3.96817392803536 2002 4.01637870908135 2003 4.10528291035283 2004 4.167674197291 2005 4.21112223851195 2006 4.29775276358617 2007 4.43596201355114 2008 4.59577726188285 2009 4.75863754038253 2010 4.87684408667973 2011 4.90949222269531 2012 4.87230602541582 2013 4.78191145702635 2014 4.64622361607323 2015 4.51677876669571 2016 4.43213656240471 2017 4.38074723359914 2018 4.34217033233055 2019 4.29720365649741 2020 4.24525302829394 2021 4.19750211052318 2022 4.15057572414251 2023 4.1005560009505