Year % of female population 1960 26.7477597221128 1961 26.4564469449947 1962 26.0039521782431 1963 25.519519853194 1964 24.909959209997 1965 24.2578469918674 1966 23.7521875222555 1967 23.2569189375344 1968 22.6906010597966 1969 22.1615275113456 1970 21.682844768096 1971 21.2708462147483 1972 21.0144664483645 1973 20.8866618591438 1974 20.7857894511566 1975 20.704473249246 1976 20.6266924584674 1977 20.5751474704422 1978 20.5307215215625 1979 20.4818650428102 1980 20.3902536602591 1981 20.2152421894079 1982 20.0179171587755 1983 19.8402735092707 1984 19.6748820071796 1985 19.5236316304533 1986 19.3847432584455 1987 19.2254977529504 1988 19.0262727511565 1989 18.7815680536165 1990 18.4961685544351 1991 18.2468639384912 1992 17.9864920608986 1993 17.6919469356157 1994 17.4255089390733 1995 17.1717208511229 1996 16.9540064087801 1997 16.728394889792 1998 16.3736370434472 1999 15.9322871779616 2000 15.5563124565107 2001 15.2895676101109 2002 15.0714386686497 2003 14.8598932811695 2004 14.6470775937332 2005 14.4164645496288 2006 14.1631985527063 2007 13.9293247050556 2008 13.7298230690202 2009 13.5523108623487 2010 13.3899965894862 2011 13.2354434344225 2012 13.1202333851235 2013 13.1443826996371 2014 13.2601453598838 2015 13.312023284694 2016 13.2666920910961 2017 13.1761499742846 2018 13.0937376899687 2019 13.0673021308941 2020 13.1245213836049 2021 13.2501135628522 2022 13.4061744908612 2023 13.5153382038925