Year % of female population 1960 2.37635872823836 1961 2.32737277051408 1962 2.25165983429596 1963 2.17289046774295 1964 2.12327688723429 1965 2.11535932970226 1966 2.14456118686377 1967 2.20481546877958 1968 2.28328294792279 1969 2.36594765873556 1970 2.44171818387646 1971 2.51465259071511 1972 2.58755063094134 1973 2.64878816381297 1974 2.68343695232947 1975 2.6923536627213 1976 2.67512599268178 1977 2.62988526576731 1978 2.57019290107597 1979 2.51436038816613 1980 2.46817258516629 1981 2.43211426321429 1982 2.40777654357407 1983 2.39097790140717 1984 2.37481184104607 1985 2.35605050506211 1986 2.33715143211005 1987 2.30605145977218 1988 2.27237139645939 1989 2.25300173521018 1990 2.24337869401433 1991 2.24198433899475 1992 2.24743315366412 1993 2.25557584212583 1994 2.2607411662299 1995 2.26078978274342 1996 2.25371481788862 1997 2.2368133054441 1998 2.21262635888539 1999 2.21003758370765 2000 2.22685590985409 2001 2.23540297640381 2002 2.23267803808775 2003 2.19904147968563 2004 2.14478434685459 2005 2.05978438964509 2006 1.94331154763486 2007 1.82966153336339 2008 1.72581416568794 2009 1.62925979679124 2010 1.56447445618764 2011 1.53844479735357 2012 1.52780551752236 2013 1.53223272930511 2014 1.55274604403859 2015 1.58643974418381 2016 1.62840702683942 2017 1.67585047010017 2018 1.72434548019964 2019 1.7685131294531 2020 1.80422297834164 2021 1.82976378572263 2022 1.84536826667505 2023 1.85321318169458