Year % of female population 1960 0.7309293219859845 1961 0.7071199628332907 1962 0.6958006729749644 1963 0.6902317371205968 1964 0.6878455121434353 1965 0.6843756686465055 1966 0.679192578749631 1967 0.6799110824039521 1968 0.6855090513037664 1969 0.69243356719709 1970 0.7023144120245244 1971 0.7126936896611586 1972 0.7202890288723878 1973 0.7268950523529594 1974 0.734602508267232 1975 0.7493076555327848 1976 0.774786195146235 1977 0.8060871662387871 1978 0.8408081114922241 1979 0.8758428735332675 1980 0.9048223897344286 1981 0.9254289622705342 1982 0.9374655133286993 1983 0.9472080388321324 1984 0.9606707192245201 1985 0.9718578687707462 1986 0.9767934917802515 1987 0.9828076636510146 1988 0.9968963176192706 1989 1.0170432659614497 1990 1.0374825038135067 1991 1.0601216272937697 1992 1.0853292673554167 1993 1.1052368610782393 1994 1.1218928687551861 1995 1.1464634829133127 1996 1.1767776615285703 1997 1.2072466635673424 1998 1.2439277908108055 1999 1.28903382739665 2000 1.332733665577779 2001 1.3685211014964922 2002 1.406051196334966 2003 1.451532863282522 2004 1.492257372914467 2005 1.530778360288613 2006 1.5735863225756703 2007 1.6176951906258064 2008 1.6666187711667075 2009 1.7182319562197916 2010 1.7663053181603905 2011 1.809864665986046 2012 1.8422121436748313 2013 1.8569228548281842 2014 1.8596141445933918 2015 1.8650570520678522 2016 1.8822162264953797 2017 1.9038197477782453 2018 1.9266292498921798 2019 1.9619902454437887 2020 2.010802433476854 2021 2.072803565100564 2022 2.158473083106806 2023 2.278863937247634