Year % of female population 1960 10.1614430720152 1961 10.4602403556259 1962 10.7610212158881 1963 11.0674496809801 1964 11.3975219179249 1965 11.7239549892652 1966 12.0489729573097 1967 12.3628256617499 1968 12.6355085660751 1969 12.8703991123498 1970 13.0923999897672 1971 13.326787894495 1972 13.6102709530416 1973 13.9192944354146 1974 14.227688877388 1975 14.5061071847882 1976 14.7405156735527 1977 14.9934041509621 1978 15.238129631016 1979 15.4609933453169 1980 15.5020304543224 1981 15.2384330724449 1982 14.8739579336978 1983 14.5022882096579 1984 14.3781468348602 1985 14.5707571940761 1986 14.8324197759719 1987 15.1221620203751 1988 15.4144052616347 1989 15.6424885694354 1990 15.8657392145309 1991 16.1163149616775 1992 16.3232333372011 1993 16.5191159256063 1994 16.729351630399 1995 16.9619265462609 1996 17.1808636526901 1997 17.3841371843028 1998 17.6089591432425 1999 17.798770878103 2000 17.9721426150887 2001 18.150614194064 2002 18.32344458144 2003 18.492196525725 2004 18.6613586595496 2005 18.8536580617272 2006 19.052801618347 2007 19.2846919701122 2008 19.5309349907603 2009 19.801041109982 2010 20.0391785530943 2011 20.2256390478035 2012 20.490261107298 2013 20.8354003794364 2014 21.2227782082668 2015 21.6170330140674 2016 22.0337043068996 2017 22.4096116556955 2018 22.7911235620444 2019 23.3079776427503 2020 23.835858359842 2021 24.2085059010955 2022 23.7469413117816 2023 23.4331591111111