Year % of female population 1960 7.04639395769535 1961 6.81331923888055 1962 6.53800935171086 1963 6.59966873017358 1964 6.89526766362079 1965 7.04260662276092 1966 7.07513107413721 1967 7.18423382251216 1968 7.25718086088393 1969 7.27544177674518 1970 7.20036580241955 1971 7.15036568387108 1972 7.1706766625067 1973 7.12395035834659 1974 7.07833015498585 1975 7.09226362563649 1976 7.10332670457851 1977 7.1413342687744 1978 7.22198206159769 1979 7.35089102736759 1980 7.50541987281288 1981 7.65368837277374 1982 7.74703511343689 1983 7.81028485504725 1984 7.89096858877401 1985 7.95057489499955 1986 7.99664556673799 1987 8.04957756557201 1988 8.05865607740213 1989 8.01825423305306 1990 7.98747704599568 1991 7.99455665690465 1992 8.01226584244075 1993 8.04201595366705 1994 8.09668634044984 1995 8.1575483975687 1996 8.20767626030382 1997 8.21236551371791 1998 8.16787655350045 1999 8.05688084726174 2000 7.85777963162888 2001 7.58095602480546 2002 7.30651430692817 2003 7.04216316974836 2004 6.75577346269286 2005 6.48340388036512 2006 6.23616650176967 2007 6.03784694274162 2008 5.85524018614369 2009 5.65035166009351 2010 5.44439989738803 2011 5.2706432599653 2012 5.13257573081053 2013 5.00531687912877 2014 4.87865917537792 2015 4.7729575476499 2016 4.70172120104776 2017 4.66832089320226 2018 4.66873944523472 2019 4.71773566267365 2020 4.78798661922639 2021 4.85600116042756 2022 4.89009546252732 2023 4.91004458455496