Year % of female population 1960 7.98881795066225 1961 8.04099185845116 1962 8.08862028870257 1963 8.13244324508196 1964 8.18705343265613 1965 8.26446838053897 1966 8.3534746334821 1967 8.4496057677739 1968 8.56040596873231 1969 8.68781824706096 1970 8.80551033044281 1971 8.91296604866824 1972 9.04524194093705 1973 9.19548313967742 1974 9.33889735910006 1975 9.49856657549397 1976 9.69574998454036 1977 9.91846364281744 1978 10.1650232664706 1979 10.4207206859481 1980 10.6670853752249 1981 10.8881049703116 1982 11.0805779376556 1983 11.2711086032594 1984 11.4945533559406 1985 11.7672785690815 1986 12.0551730272296 1987 12.3231051228159 1988 12.5524444860531 1989 12.7466780631676 1990 12.9368044027199 1991 13.1156216064681 1992 13.2736847404863 1993 13.4119882939095 1994 13.5330944591684 1995 13.6498268995196 1996 13.7661571375387 1997 13.8830112915798 1998 13.9921694252231 1999 14.0759431206916 2000 14.150510002598 2001 14.2269102891718 2002 14.2964120997194 2003 14.3761079032619 2004 14.4682489192445 2005 14.5780706627807 2006 14.7215229787163 2007 14.8932821786275 2008 15.0856344419648 2009 15.2924479230906 2010 15.5275073499069 2011 15.8303262616782 2012 16.201133065919 2013 16.5888926972188 2014 16.9630123021007 2015 17.3286028130112 2016 17.6947734531323 2017 18.0697617622721 2018 18.4522248999224 2019 18.8604361435723 2020 19.3245199928256 2021 19.8347867148361 2022 20.3518680885745 2023 20.863141136428