Year % of female population 1960 27.0995654972312 1961 27.0494700616817 1962 26.8497390123805 1963 26.4985225272724 1964 26.015375947332 1965 25.4374700734535 1966 24.7541166531981 1967 24.0727854107119 1968 23.5666599143224 1969 23.2228320922436 1970 22.9719811134598 1971 22.812216202409 1972 22.7951835748751 1973 22.9437878372362 1974 23.297378489094 1975 23.8133038437173 1976 24.4504473709872 1977 24.9412319720366 1978 25.198517767334 1979 25.4476516303074 1980 25.7105172363588 1981 25.9793256128801 1982 25.7278008949272 1983 24.934129716379 1984 24.2535306946091 1985 23.7962450591857 1986 23.5082062655551 1987 23.3353749457068 1988 23.2225925580744 1989 23.0568704081753 1990 22.7174874417178 1991 22.250872753231 1992 21.6825956404256 1993 21.0734102202355 1994 20.4964296814809 1995 19.9247748531722 1996 19.3926100272947 1997 18.9677671625441 1998 18.6374468838395 1999 18.2853424348709 2000 17.8527498223588 2001 17.328528264437 2002 16.7136561086677 2003 16.1138974035274 2004 15.5916495556039 2005 15.2288030925893 2006 15.0641089249854 2007 15.0052658478319 2008 15.0035327959616 2009 15.0292197953619 2010 15.0693789906924 2011 15.0867715399014 2012 15.0664198883028 2013 15.0073685396302 2014 14.9325585434579 2015 14.9091912445582 2016 14.9469819945493 2017 15.0283539314431 2018 15.1049404030192 2019 15.1454272131306 2020 15.1469486487556 2021 15.1392028140605 2022 15.0449233764369 2023 14.9745531024076