Year % of female population 1960 45.0719832420509 1961 45.4043534384469 1962 45.5839756758258 1963 45.8038164517876 1964 46.0247021579888 1965 46.1925482853873 1966 46.3933980882107 1967 46.608605867326 1968 46.7243778941413 1969 46.776237506333 1970 46.8079790697364 1971 46.8257545761223 1972 46.8162621044359 1973 46.7691834897498 1974 46.6692127896645 1975 46.5437692441026 1976 46.4733990995138 1977 46.4014398686919 1978 46.2492449164073 1979 46.0554059751903 1980 45.8555211343754 1981 45.655557168651 1982 45.4444069734151 1983 45.2148614208103 1984 44.9580171391475 1985 44.6683893464792 1986 44.3294216781318 1987 43.988340423888 1988 43.640144850686 1989 43.2327239622484 1990 42.7596899632553 1991 42.2653959072637 1992 41.7739436102611 1993 41.2316025499012 1994 40.6097222939649 1995 39.8428475672346 1996 38.6957152179659 1997 37.2461029154337 1998 35.9294253637077 1999 34.7672179827297 2000 33.6197099337522 2001 32.5164927763414 2002 31.4790533624355 2003 30.5384731603664 2004 29.7152682263616 2005 29.0355560210447 2006 28.4778390344453 2007 28.0253097257665 2008 27.7060351285586 2009 27.5177464372626 2010 27.464452222162 2011 27.5449117843492 2012 27.7504422222431 2013 28.0777431252096 2014 28.4823196650403 2015 28.9105224364648 2016 29.3420871388916 2017 29.758411470182 2018 30.1173717458576 2019 30.3826717045217 2020 30.5557500242803 2021 30.6177683314965 2022 30.5486244661225 2023 30.3567080197165