Year % of female population 1960 10.4596716041718 1961 11.181527170381 1962 11.8607494550392 1963 12.3414080723653 1964 12.6346903137311 1965 12.8258766031046 1966 12.8104405714234 1967 12.6854509712146 1968 12.3786776945592 1969 11.6874648780349 1970 10.743251638865 1971 9.84502201903195 1972 9.43476541663096 1973 9.9245425102614 1974 10.9008810071169 1975 11.9196490128897 1976 12.9535116993573 1977 13.4419160195103 1978 13.2958479081588 1979 13.1542565045436 1980 13.1385511445175 1981 13.0978339653495 1982 13.0257232459251 1983 12.7752033676166 1984 12.281011614298 1985 11.5935094189417 1986 10.79638761854 1987 10.0104588431634 1988 9.25856500927156 1989 8.68114325907426 1990 8.36017926315898 1991 8.2674224340141 1992 8.40742091309887 1993 8.57437720926108 1994 8.63664495774564 1995 8.71927708728615 1996 8.85600250073478 1997 9.01432608992878 1998 9.21263357990492 1999 9.45045628524393 2000 9.66083569670161 2001 9.59369257764036 2002 9.15587280245103 2003 8.62829416348693 2004 8.06859804993213 2005 7.410927239533 2006 6.87394126378677 2007 6.54450097208538 2008 6.27105808071536 2009 6.03175995184472 2010 5.85515385026415 2011 5.72004437626805 2012 5.59495087342296 2013 5.50071944771421 2014 5.44229841748891 2015 5.38912239644909 2016 5.36037175905953 2017 5.38624224749561 2018 5.45387717312563 2019 5.54931720790431 2020 5.64149538653169 2021 5.71861616433738 2022 5.82201268526314 2023 5.9134033743144