Year % of female population 1960 10.987459046233226 1961 11.211555020742798 1962 11.433376014930193 1963 11.63000767572106 1964 11.837805555882573 1965 12.07884929458539 1966 12.332772274936515 1967 12.57964876138145 1968 12.809981016057016 1969 13.030876590207715 1970 13.263805634195952 1971 13.501063985587537 1972 13.743878197379209 1973 13.989441330257202 1974 14.232262864642953 1975 14.468958421538325 1976 14.686674013753624 1977 14.918875258117987 1978 15.16127758406166 1979 15.378389088375778 1980 15.473724839094034 1981 15.398225128082178 1982 15.242228951102542 1983 15.05860321432314 1984 14.974942832043974 1985 15.100542982943063 1986 15.337470001524334 1987 15.58320362376491 1988 15.826296049807395 1989 16.0581121793273 1990 16.287835898782753 1991 16.51192184467449 1992 16.723941668989898 1993 16.932724559361155 1994 17.145104187337438 1995 17.377260826036412 1996 17.601620483179875 1997 17.7972791105844 1998 17.976498302343085 1999 18.15911847563579 2000 18.371029661651686 2001 18.59572444440675 2002 18.80637360542297 2003 18.987718268061577 2004 19.18757643555952 2005 19.413819594326068 2006 19.607588447974567 2007 19.734877495237853 2008 19.848533986352866 2009 19.995163026315684 2010 20.126335978591637 2011 20.30456055130731 2012 20.59290521835336 2013 20.91996630301101 2014 21.273342269820347 2015 21.605871325537603 2016 21.91629199945681 2017 22.217628685122556 2018 22.515258221634582 2019 22.82569087103399 2020 23.13373427285318 2021 23.424333917983756 2022 23.62550771918712 2023 23.895808990786925