Year % of female population 1960 11.8276852383688 1961 12.2464176915266 1962 12.6904002833865 1963 13.0717819633712 1964 13.3895568679101 1965 13.7111023343796 1966 14.0348024068954 1967 14.3325257179171 1968 14.613475039758 1969 14.8644295810675 1970 15.0234306988461 1971 15.038478949751 1972 14.914035802185 1973 14.6678215677783 1974 14.3176847566248 1975 13.9047808566738 1976 13.5125913891145 1977 13.196972600115 1978 12.969927769997 1979 12.853586432239 1980 12.848542702736 1981 12.7463523104572 1982 12.4762221081554 1983 12.284040337444 1984 12.1136930940212 1985 11.9062352663838 1986 11.8398176691455 1987 11.7468310470568 1988 11.4388499519858 1989 11.1365153301049 1990 10.827738602936 1991 10.4741704110965 1992 10.2894780539104 1993 10.1832406835495 1994 10.0027133360467 1995 9.81894522892597 1996 9.70668917493142 1997 9.62617066235359 1998 9.58918249380677 1999 9.67778895240035 2000 9.80618743170085 2001 9.89485170122012 2002 9.84282811467182 2003 9.54650473575343 2004 9.09928891229918 2005 8.67964291634108 2006 8.27860696517413 2007 8.00972278488338 2008 7.94148260834753 2009 7.89012801825927 2010 7.87892326594437 2011 7.90807593343125 2012 7.95386344540107 2013 8.05597212182675 2014 8.21299350004803 2015 8.26663569362026 2016 8.28894876454247 2017 8.36422972456599 2018 8.32098891556418 2019 8.1773787497346 2020 8.11024568007529 2021 8.11387617752454 2022 8.10472463453823 2023 8.12265711405389