Year % of female population 1960 6.6762106284039 1961 6.63396827541985 1962 6.672584786055 1963 6.77984062506606 1964 6.93230989350111 1965 7.13610647790133 1966 7.40394761134882 1967 7.7146927507315 1968 8.02561048098877 1969 8.31367238756653 1970 8.64109539724261 1971 8.89595485685341 1972 8.95887138135387 1973 9.01609545060634 1974 9.17936049500728 1975 9.37381941126432 1976 9.52345067734555 1977 9.61229226559029 1978 9.66436038935414 1979 9.7071954612486 1980 9.76411401392327 1981 9.80003926500247 1982 9.76288975167955 1983 9.67835664669927 1984 9.56616325369198 1985 9.37794984310024 1986 9.06857076824713 1987 8.65096653998734 1988 8.20506292672259 1989 7.81132214214417 1990 7.49583329987162 1991 7.26615525110406 1992 7.09643325142752 1993 6.94185986083607 1994 6.79870862391772 1995 6.67830302617339 1996 6.58588056086001 1997 6.52145773866455 1998 6.4885851054868 1999 6.49462229577595 2000 6.53088072290981 2001 6.57979029484239 2002 6.62821965363897 2003 6.67354080091542 2004 6.70639909249525 2005 6.7121995079413 2006 6.69594118514504 2007 6.66611382435886 2008 6.63615524449373 2009 6.63651663372289 2010 6.66696845275876 2011 6.68919814917531 2012 6.68061772304466 2013 6.63471215972515 2014 6.53902892928212 2015 6.41126459803654 2016 6.30969619840808 2017 6.26247029404903 2018 6.25186515890671 2019 6.24235658259806 2020 6.21058061459237 2021 6.13633827465331 2022 6.02866711636659 2023 5.91011091087797