Year % of female population 1960 8.85499477161095 1961 9.01074487255201 1962 9.1398918509904 1963 9.3065590170603 1964 9.53930911769123 1965 9.76284954204969 1966 9.97997928687926 1967 10.2131019313248 1968 10.4371076717463 1969 10.7425220348829 1970 11.1231951760786 1971 11.4619771002351 1972 11.8037918339929 1973 12.1771082238152 1974 12.5639366592883 1975 12.964765391294 1976 13.3658361750279 1977 13.7828604344997 1978 14.1772210181644 1979 14.5235626540269 1980 14.8212713848283 1981 15.0412934402109 1982 15.2409290289335 1983 15.4382527160384 1984 15.5400113596952 1985 15.6888558895149 1986 15.9553330553724 1987 16.1969576605133 1988 16.4234867907003 1989 16.6225820332945 1990 16.7854282428689 1991 16.9288070483434 1992 17.0520885196765 1993 17.1646838634053 1994 17.3119443727281 1995 17.4885263788374 1996 17.6299714345987 1997 17.7342607503699 1998 17.8028244104704 1999 17.8695460082262 2000 17.9706220419968 2001 18.0820415589181 2002 18.2029428575726 2003 18.3587978025365 2004 18.5773728005182 2005 18.7523750721387 2006 19.008223881527 2007 19.2198312425489 2008 19.3136000974481 2009 19.515511904425 2010 19.8487518199461 2011 20.3660525016644 2012 20.9533631463166 2013 21.5378070186224 2014 22.0909267136856 2015 22.5987784929668 2016 23.0551054647125 2017 23.5081862597465 2018 23.9716819429262 2019 24.4228483847516 2020 24.8576667695212 2021 25.2566390922562 2022 25.632830950211 2023 25.9629867524085