Year % of female population 1960 9.62559849297507 1961 9.75955327749302 1962 9.86741146380882 1963 9.94024986420424 1964 10.0266367671329 1965 10.1305056618794 1966 10.2129306012427 1967 10.2810161097354 1968 10.3383825250293 1969 10.3419651433518 1970 10.2891069324179 1971 10.2212386075934 1972 10.1498769360212 1973 10.0766411274511 1974 10.0072387357861 1975 9.95393081326218 1976 9.91909844564043 1977 9.91452239295394 1978 9.93182075656302 1979 10.0089778431694 1980 10.1419471235043 1981 10.2908689971239 1982 10.4889316650626 1983 10.7051762238286 1984 10.8974487389387 1985 11.0631121707233 1986 11.2020185917511 1987 11.3128361854134 1988 11.3964410737458 1989 11.4522936986713 1990 11.3979566973974 1991 11.2501130995303 1992 11.1047499752602 1993 10.9769827812917 1994 10.8408004230192 1995 10.7042514041989 1996 10.588168889537 1997 10.4671471049688 1998 10.3655123798076 1999 10.3412934862308 2000 10.3859928796499 2001 10.4803924384074 2002 10.6410704017087 2003 10.8441025744901 2004 11.0695385107894 2005 11.3818908086965 2006 11.7401955877276 2007 12.0215810168053 2008 12.1917985429482 2009 12.2279459081218 2010 12.0552023354834 2011 11.7016318075267 2012 11.3087772929081 2013 10.9537492166671 2014 10.6587907957771 2015 10.4146327298255 2016 10.2028374760039 2017 9.99282483767934 2018 9.76076551177158 2019 9.52317160060746 2020 9.32806446914899 2021 9.21336348902527 2022 9.1856367839488 2023 9.23260225577353