Year % of female population 1960 11.0932079038525 1961 11.1013966163279 1962 11.1498694166087 1963 11.2639956534925 1964 11.367073347237 1965 11.4147707484039 1966 11.4558298086551 1967 11.4961175032271 1968 11.5357492471559 1969 11.570907123719 1970 11.6109448571963 1971 11.6575008684192 1972 11.7038086885438 1973 11.7534451370019 1974 11.8066519143588 1975 11.8512763957778 1976 12.0249504499558 1977 12.1977481088995 1978 12.1471544615127 1979 11.956062362948 1980 11.7115537886143 1981 11.4891811726067 1982 11.3336247027482 1983 11.2666660272187 1984 11.291060200573 1985 11.3889863467878 1986 11.6099251211392 1987 12.0561452587444 1988 12.7207098612509 1989 13.2058005501925 1990 13.412312707078 1991 13.5184197352548 1992 13.4740056571275 1993 13.3188276836911 1994 13.089111971288 1995 12.7892229040751 1996 12.4335404631807 1997 12.0682409117927 1998 11.8225396023595 1999 11.769577289108 2000 11.8603579967653 2001 12.0615520965216 2002 12.2957567875365 2003 12.4351336366891 2004 12.4593130998282 2005 12.4491017976825 2006 12.4435328873504 2007 12.4497700493968 2008 12.4870858991783 2009 12.5455432617947 2010 12.5875528229818 2011 12.6453208518568 2012 12.7256776917535 2013 12.7861452655373 2014 12.803342570058 2015 12.783562657511 2016 12.7680280669896 2017 12.7529304292117 2018 12.7314714327538 2019 12.7155824078313 2020 12.7129524661515 2021 12.7089743160839 2022 12.6727571531604 2023 12.5930766580892