Year % of female population 1960 12.9468258581577 1961 12.8372945238729 1962 12.7818588772145 1963 12.786756066173 1964 12.8479676723895 1965 13.0629546309994 1966 13.3739525532941 1967 13.6347642505278 1968 13.8493591945777 1969 14.0194817637495 1970 14.118888783643 1971 14.1375731913314 1972 14.1267220291572 1973 14.1047158624464 1974 14.0243497847112 1975 13.8822418246984 1976 13.6945344566861 1977 13.4240659578497 1978 13.0755031008315 1979 12.7220507599822 1980 12.3818772057183 1981 12.0540107984805 1982 11.7411498964091 1983 11.4368345521197 1984 11.1568987873865 1985 10.9843982686393 1986 10.9892027721838 1987 11.1080847546773 1988 11.2932952270412 1989 11.5395404685501 1990 11.7678060533052 1991 11.9424936051639 1992 12.0693142915308 1993 12.1361475497271 1994 12.1481656367406 1995 12.1010987602909 1996 11.9676545054474 1997 11.7748215936122 1998 11.5664079815695 1999 11.3488856838029 2000 11.1511890186533 2001 11.0035212332421 2002 10.866406228474 2003 10.7078897179336 2004 10.5395171627136 2005 10.3653803568723 2006 10.1867064111007 2007 10.0018569931841 2008 9.80387693596409 2009 9.60950740971477 2010 9.43543019553525 2011 9.28634635241578 2012 9.19003566329042 2013 9.15722472306467 2014 9.16546665590985 2015 9.19174060794325 2016 9.24777322242289 2017 9.3278227552525 2018 9.39765129877026 2019 9.4375719894071 2020 9.4511207769819 2021 9.41506879629268 2022 9.33295371700466 2023 9.25291104564181