Year % of female population 1960 12.7267073576776 1961 12.8980470233506 1962 13.0554030475179 1963 13.2234929938817 1964 13.468996904977 1965 13.7531524379317 1966 14.0255988612207 1967 14.2830105726934 1968 14.5250770480338 1969 14.7501877423113 1970 14.9493915200045 1971 15.1445659212982 1972 15.3352713244237 1973 15.5019614467782 1974 15.6614052835489 1975 15.7987873081157 1976 15.9130492011102 1977 16.0147542432879 1978 16.0829691009696 1979 16.0861497957973 1980 15.9815664632445 1981 15.7677188866565 1982 15.5048024963201 1983 15.257415525381 1984 15.0512775285995 1985 14.8877223527986 1986 14.8317374410214 1987 14.9170145993475 1988 15.0992350723236 1989 15.3552274731717 1990 15.6373763807437 1991 15.9409413571264 1992 16.2780262809526 1993 16.6011738494572 1994 16.8744558908236 1995 17.1422011789079 1996 17.4672894305422 1997 17.826091766259 1998 18.1684433181847 1999 18.5214770209701 2000 18.9294216065596 2001 19.3892609211549 2002 19.8956993150774 2003 20.4181974842808 2004 20.9355015041411 2005 21.4235607110402 2006 21.8618950588384 2007 22.2264638663941 2008 22.52051431018 2009 22.7761784247541 2010 22.9781537549791 2011 23.2118232441632 2012 23.5113516030599 2013 23.8567989418829 2014 24.2693234058465 2015 24.6529341241914 2016 24.9977052963633 2017 25.3490396024883 2018 25.6618217922124 2019 26.0276594054187 2020 26.4428761635466 2021 26.7079124503813 2022 26.964120772219 2023 27.3432288702442