Year % of female population 1960 0.4496239468773187 1961 0.4465438684861345 1962 0.4356092819742446 1963 0.4156490883776261 1964 0.4002245536041133 1965 0.3911248868948497 1966 0.3969041917693555 1967 0.4047981312954517 1968 0.40666015870825706 1969 0.4084310569955564 1970 0.40910658547492945 1971 0.41052268610385284 1972 0.4126004425870804 1973 0.4149737755273475 1974 0.4178353216851612 1975 0.420082934588664 1976 0.41919501913748286 1977 0.414495269160025 1978 0.41148874151036025 1979 0.42082062790157426 1980 0.4273736381313521 1981 0.4233721836035605 1982 0.42302191929395416 1983 0.4264906839517103 1984 0.43060000244721297 1985 0.43492785936599565 1986 0.442967766092996 1987 0.449641665346796 1988 0.4524701682700133 1989 0.45667437306016 1990 0.4604864603521096 1991 0.4656931504887022 1992 0.47544086508702765 1993 0.48656071457813943 1994 0.4964214570273004 1995 0.503746434638901 1996 0.5079067417634315 1997 0.5156861541412885 1998 0.5276641406416814 1999 0.5392804030303993 2000 0.5547757529029139 2001 0.5731443437005171 2002 0.5907801806094372 2003 0.6085889029426782 2004 0.6263728480938473 2005 0.6428980284119012 2006 0.6562652888991601 2007 0.6663698985793264 2008 0.6705189651873471 2009 0.670437650166099 2010 0.6705049299429683 2011 0.6739252577465515 2012 0.6797136864539476 2013 0.6853216053910399 2014 0.6928194963523192 2015 0.7013622489092303 2016 0.7102518850297579 2017 0.7207439099471595 2018 0.7343560787062962 2019 0.7493792055626786 2020 0.762806164191712 2021 0.7725000086935071 2022 0.7779274039921503 2023 0.7804774432956735