Year % of female population 1960 9.00554997645956 1961 8.96081781487937 1962 8.89972192270586 1963 8.80810532199667 1964 8.65384561938287 1965 8.53475786436929 1966 8.53803326999715 1967 8.60002972267453 1968 8.73143014280324 1969 9.00355434681166 1970 9.32790862984372 1971 9.57767420052378 1972 9.83560061991633 1973 10.1654150492424 1974 10.4837448780214 1975 10.8206130287153 1976 11.1208497733127 1977 11.2604444595908 1978 11.2947369701484 1979 11.327171924393 1980 11.3204144324474 1981 11.3031660306796 1982 11.3635687283216 1983 11.4331519180017 1984 11.441374715226 1985 11.369849780638 1986 11.2488062501693 1987 11.0971575980028 1988 10.9238139218517 1989 10.733696832641 1990 10.5411071844397 1991 10.3289624091281 1992 10.1414748407686 1993 10.0291927712146 1994 9.97431330151866 1995 9.98508579209311 1996 10.0710816374127 1997 10.1866766753791 1998 10.2969713864015 1999 10.4110706748742 2000 10.517158754688 2001 10.5995920577685 2002 10.6485801392288 2003 10.6585127929597 2004 10.6277171607726 2005 10.5316031409479 2006 10.4155350052809 2007 10.353052559732 2008 10.3328030316049 2009 10.3299633916302 2010 10.3579363567937 2011 10.3166565780749 2012 10.1591142831158 2013 9.95831242631843 2014 9.68990409901389 2015 9.30800143444436 2016 8.91827823539647 2017 8.58881993552302 2018 8.27770893273547 2019 8.04150824632564 2020 7.93296860076283 2021 7.90974231843918 2022 7.83842930360979 2023 7.70099603872962