Year % of female population 1960 40.4369879935785 1961 40.8872347860758 1962 41.3067670059008 1963 41.6660140955364 1964 41.9428061513212 1965 42.0883033265036 1966 42.1104207321289 1967 42.0723015536846 1968 41.9676766309075 1969 41.7854610083112 1970 41.513675850639 1971 41.1520082487447 1972 40.7175716155533 1973 40.2083563084631 1974 39.6318170212971 1975 39.0155840389973 1976 38.3756265892033 1977 37.7192036474528 1978 37.0623815946682 1979 36.4193375307651 1980 35.8064590147152 1981 35.2413530502307 1982 34.7298404237006 1983 34.2674050457844 1984 33.8526387638328 1985 33.4865829096038 1986 33.1609796809296 1987 32.8734811077818 1988 32.631540285424 1989 32.4277016316494 1990 32.245762633307 1991 32.0648270482727 1992 31.8810621428383 1993 31.6887114851927 1994 31.4809793176865 1995 31.2498856332138 1996 30.9527248123212 1997 30.5534427811705 1998 30.0525727165687 1999 29.4668377023546 2000 28.8098133354608 2001 28.0848300362805 2002 27.29775647924 2003 26.4686783130404 2004 25.599749829857 2005 24.6933651400368 2006 23.7686734007449 2007 22.8275041059436 2008 21.9070809132128 2009 21.0346137917778 2010 20.2264323496396 2011 19.5146809127571 2012 18.9134584874352 2013 18.4216534175826 2014 17.9838114111845 2015 17.5773831461507 2016 17.2510214780155 2017 16.9474171247973 2018 16.6358360890484 2019 16.3537713960025 2020 16.1110864943829 2021 15.9457009774244 2022 15.8033916985344 2023 15.6324588215018