Year % of female population 1960 2.7752380337033005 1961 2.7843486507439086 1962 2.8052048321068863 1963 2.829677230781682 1964 2.847035063831691 1965 2.8537733625615296 1966 2.8511170138520963 1967 2.839562674894722 1968 2.8218580561441176 1969 2.803507964979992 1970 2.786713202242682 1971 2.7700766782414394 1972 2.754817820453191 1973 2.742163438580559 1974 2.7320750268399934 1975 2.7261967923746546 1976 2.7247537263900257 1977 2.726151724010839 1978 2.7300919829409502 1979 2.7356864186958325 1980 2.741142239405449 1981 2.747509522696722 1982 2.756152461750629 1983 2.7665866462182795 1984 2.777753844815054 1985 2.788274436554896 1986 2.7971427890618483 1987 2.8048014709960256 1988 2.811721911177577 1989 2.817216860369214 1990 2.8196530192181513 1991 2.8233048682942337 1992 2.82976552407283 1993 2.8366966354083245 1994 2.839256099702872 1995 2.8361009642545314 1996 2.8281573048476587 1997 2.817238864389543 1998 2.807878094625368 1999 2.8058859548507136 2000 2.8141945532214385 2001 2.8340701167406968 2002 2.865487463241474 2003 2.904293012237156 2004 2.9616808831479533 2005 3.0383810755882674 2006 3.1197875475718915 2007 3.2053877961912365 2008 3.3033129272613384 2009 3.398462074005857 2010 3.4803601093302854 2011 3.5603200393648127 2012 3.6374359596819636 2013 3.7056450828572545 2014 3.765866733399908 2015 3.824763948291287 2016 3.882880349282196 2017 3.9407630761392367 2018 3.999575388303327 2019 4.058887638078899 2020 4.113918887789366 2021 4.163839314289198 2022 4.213838590487073 2023 4.270772449052215