Year % of female population 1960 0.3578736353929411 1961 0.35701109088785654 1962 0.3569295296174822 1963 0.3565887636464721 1964 0.3561415165453836 1965 0.3554441952147767 1966 0.3544151045526454 1967 0.35325077421006973 1968 0.3522367090948347 1969 0.3512954725551 1970 0.3500373835905645 1971 0.3485013850844485 1972 0.3471728995331089 1973 0.3465561506586907 1974 0.3465997862347543 1975 0.3470515056112704 1976 0.3492794494106129 1977 0.35290541835506145 1978 0.35694950584887436 1979 0.36104700786892713 1980 0.363133558433316 1981 0.36379998043940315 1982 0.36506810024171915 1983 0.3661847558253075 1984 0.366906901786594 1985 0.3679223013354682 1986 0.3693587452040117 1987 0.37392670594971694 1988 0.37896087178614357 1989 0.38104212075625166 1990 0.3825665703686427 1991 0.3847636422796362 1992 0.3865239199686384 1993 0.3874890828023999 1994 0.38906064354233294 1995 0.39040487033737553 1996 0.39145170497456805 1997 0.39363107475164744 1998 0.3964986960250994 1999 0.40045264866294283 2000 0.4058437649440252 2001 0.4111907592685914 2002 0.41625274508981147 2003 0.4211294409940709 2004 0.42628284041660197 2005 0.43203090963807983 2006 0.4377574361383377 2007 0.44307532569205893 2008 0.44735455983464123 2009 0.45092277305586664 2010 0.45480255123686997 2011 0.4586261408825066 2012 0.46136435071853954 2013 0.4628999574991621 2014 0.463983868499353 2015 0.46492955177737644 2016 0.46673600913265434 2017 0.4697571439084151 2018 0.47327318171449334 2019 0.47669206578956846 2020 0.47787425459275656 2021 0.4740101703662991 2022 0.4681342243246108 2023 0.466062262694528