Year % of female population 1960 14.853961275212649 1961 14.034368262493052 1962 13.665141947732321 1963 14.022409882110102 1964 14.721242083203913 1965 15.411488297987168 1966 16.070810529643794 1967 16.277955392228343 1968 15.961484573073564 1969 15.637536195344223 1970 15.426885560508422 1971 15.228068627270343 1972 15.043574201219089 1973 14.719363144875768 1974 14.212852135924354 1975 13.578090914326713 1976 12.882565649878273 1977 12.21078767033799 1978 11.56656661577354 1979 11.06020500319772 1980 10.761739005919498 1981 10.628097303288317 1982 10.6504459603509 1983 10.690746711943053 1984 10.64967615315538 1985 10.601777954788718 1986 10.56916897825942 1987 10.536674040355415 1988 10.530239642805391 1989 10.551336623169352 1990 10.555907729152263 1991 10.396341027205857 1992 10.010921273751853 1993 9.574075791746626 1994 9.128012899760886 1995 8.625759244669696 1996 8.20403760480177 1997 7.921524489451777 1998 7.673830499132186 1999 7.446329116865145 2000 7.26500878804698 2001 7.116789653569887 2002 6.981798385140767 2003 6.872106536040382 2004 6.78997911394301 2005 6.710977141196931 2006 6.6508046751075005 2007 6.638946460653875 2008 6.6589754617887165 2009 6.693422721949992 2010 6.719398381802562 2011 6.730583548044949 2012 6.753373289348018 2013 6.763382415903202 2014 6.744013345449628 2015 6.7052895519911955 2016 6.658752915795337 2017 6.595457736371361 2018 6.467510412731913 2019 6.280159625330437 2020 6.050331139024186 2021 5.76418534340252 2022 5.4378094311096214 2023 5.166632941841038