Year % of female population 1960 8.90750033907501 1961 8.8561872909699 1962 8.94823092066914 1963 9.13395232665472 1964 9.46811592647832 1965 9.90375034450592 1966 10.2775654650347 1967 10.574952915123 1968 10.8373930486756 1969 10.9994128247181 1970 11.0865100435806 1971 11.2218263380939 1972 11.4080154324633 1973 11.6493476052817 1974 11.9392999127315 1975 12.2772525322616 1976 12.6026004909481 1977 12.8435901351455 1978 12.9758657072517 1979 12.9920103117211 1980 12.9018532526475 1981 12.7360442371351 1982 12.54244878158 1983 12.3307462907737 1984 12.0781658263718 1985 11.7948905576847 1986 11.523967303246 1987 11.2967865950965 1988 11.1531857207411 1989 11.1294363633086 1990 11.2203060655649 1991 11.318486082946 1992 11.3458164763166 1993 11.312637235125 1994 11.2209809895416 1995 11.1074530182232 1996 11.0244206218585 1997 10.9754577188858 1998 10.9296101347132 1999 10.864550737595 2000 10.7291638670143 2001 10.4801572696834 2002 10.1813373630525 2003 9.88618209060303 2004 9.60200313897684 2005 9.37551325802507 2006 9.28044212690952 2007 9.31329996490774 2008 9.39643410708817 2009 9.47500932487878 2010 9.50863313398699 2011 9.42462188360427 2012 9.20223866439006 2013 8.90508998606791 2014 8.59145745027714 2015 8.29458931338859 2016 8.02452421476095 2017 7.80338686981416 2018 7.61213040476816 2019 7.42083918265481 2020 7.25314218189986 2021 7.1337754044168 2022 7.08846617469791 2023 7.13928469859078