Year % of female population 1960 17.3460180263672 1961 17.3570000657744 1962 17.3765593165815 1963 17.3959859798884 1964 17.4137017326379 1965 17.4222568109714 1966 17.3996720896133 1967 17.3460766096146 1968 17.2772199230509 1969 17.1920685921693 1970 17.083185944097 1971 16.9546757894093 1972 16.8128312589939 1973 16.6552777440568 1974 16.4808794784305 1975 16.2992980352041 1976 16.1192102965829 1977 15.9354823884379 1978 15.7491772127865 1979 15.567637566021 1980 15.3922797492917 1981 15.2238520591228 1982 15.0617363988998 1983 14.9032903024555 1984 14.7454366044501 1985 14.5850167340966 1986 14.4226428217695 1987 14.2572711780933 1988 14.08679790501 1989 13.9116546474855 1990 13.7327189912907 1991 13.551057323299 1992 13.3722292470856 1993 13.2001734402041 1994 13.0345059040688 1995 12.8728787395782 1996 12.7122188373498 1997 12.5518675406915 1998 12.3929107116961 1999 12.229555393736 2000 12.0549486516283 2001 11.8690552041319 2002 11.6766453990169 2003 11.4794824227815 2004 11.2813070217336 2005 11.0910823817485 2006 10.9140403179453 2007 10.7528904241115 2008 10.6078895319712 2009 10.4791737683002 2010 10.3652072500782 2011 10.2626399876465 2012 10.1454248083102 2013 9.98017672167294 2014 9.76182240977217 2015 9.502154514735 2016 9.2100240956466 2017 8.92201276873689 2018 8.67133461528808 2019 8.4689856335047 2020 8.31797882524161 2021 8.19664450374134 2022 8.07940155259339 2023 7.96280956272225