Year % of female population 1960 14.7130801210939 1961 14.5915087452315 1962 14.4345782504937 1963 14.2483436102691 1964 13.9829264097763 1965 13.6430408836218 1966 13.274688221238 1967 12.8838127333242 1968 12.4490061873533 1969 11.9414265881162 1970 11.4909571253716 1971 11.2150834941946 1972 11.0485677929766 1973 10.9502609972269 1974 10.9095713690107 1975 10.8544470223268 1976 10.7514984191206 1977 10.6499474080594 1978 10.5617536307826 1979 10.4986934769201 1980 10.463069373343 1981 10.4040005648896 1982 10.2729263208278 1983 10.0670572074701 1984 9.78454881352865 1985 9.44029491896606 1986 9.09237229524172 1987 8.80061042491296 1988 8.60808505984527 1989 8.50328444693658 1990 8.48735695331316 1991 8.51543556405519 1992 8.50077213452299 1993 8.43616628863655 1994 8.32614465738832 1995 8.17702823106134 1996 8.01313529462153 1997 7.85290767013499 1998 7.69834198225346 1999 7.55069986369316 2000 7.41275532185608 2001 7.25884954082749 2002 7.06563104451783 2003 6.83889192407721 2004 6.59010018263866 2005 6.33358148793635 2006 6.09776887506127 2007 5.91045949755951 2008 5.77368315805786 2009 5.69232195745662 2010 5.59533293303547 2011 5.45216041203558 2012 5.30115494256728 2013 5.12568157770502 2014 4.91168682953393 2015 4.68630248563666 2016 4.46315302282644 2017 4.21783787443133 2018 3.95993708940092 2019 3.75834737672843 2020 3.65134179080449 2021 3.59347920671345 2022 3.58523920169589 2023 3.66850745424732