Year % of female population 1960 11.4847051931205 1961 11.7092811739939 1962 11.881859908202 1963 11.9735047730372 1964 11.9885153635534 1965 11.9761034527542 1966 11.9349664625255 1967 11.9377942954049 1968 12.0576249374419 1969 12.1771282683335 1970 12.3124417922804 1971 12.581773923627 1972 12.9130672679942 1973 13.169897377423 1974 13.2511581197966 1975 13.2616312230099 1976 13.3681410698453 1977 13.5309214338935 1978 13.5898335086752 1979 13.3769925036983 1980 12.9351039675928 1981 12.3872644991495 1982 11.7975226148076 1983 11.2510443419872 1984 10.8093749051277 1985 10.4957178541691 1986 10.297492809622 1987 10.2091125467528 1988 10.2210555402045 1989 10.3572342977267 1990 10.5595454186726 1991 10.7777562987306 1992 11.0308193562292 1993 11.2885902687581 1994 11.4817048405558 1995 11.6368177904961 1996 11.8000500709338 1997 11.9172136230155 1998 11.9839219064025 1999 12.0070370913356 2000 11.9845831810479 2001 11.9219245299405 2002 11.81965018171 2003 11.6997907405287 2004 11.5984902580843 2005 11.53546375682 2006 11.5160835325001 2007 11.5219772827737 2008 11.5173622893338 2009 11.4492740228653 2010 11.2717680013779 2011 10.9470985203255 2012 10.51958741222 2013 10.0748808713411 2014 9.70691775883276 2015 9.48666772445239 2016 9.42780590439871 2017 9.53274505204753 2018 9.77077363896848 2019 10.0585738672848 2020 10.3266223371506 2021 10.5630342930137 2022 10.7409829244007 2023 10.8393909698556