Year % of female population 1960 2.21961047683009 1961 2.22406612000521 1962 2.23686492110283 1963 2.25703988760613 1964 2.28933124316011 1965 2.3295771824573 1966 2.36481335163083 1967 2.3946874161524 1968 2.42206452784661 1969 2.44691252789129 1970 2.47578692493947 1971 2.50663176469213 1972 2.54351943717868 1973 2.59142860249899 1974 2.64822175841925 1975 2.7181225026554 1976 2.79604942127145 1977 2.87504121332015 1978 2.91078179205302 1979 2.80297606640869 1980 2.69972599795842 1981 2.68830330827854 1982 2.65138977296839 1983 2.59457138374388 1984 2.52764993614612 1985 2.45961820851689 1986 2.39760619109461 1987 2.34998707580961 1988 2.3213221193556 1989 2.3068002403208 1990 2.29794355140441 1991 2.28782434600443 1992 2.27227207825351 1993 2.25088486100439 1994 2.22327312480424 1995 2.19527392992379 1996 2.17456131631418 1997 2.1685275247163 1998 2.18702277312704 1999 2.23094042300807 2000 2.30152161456675 2001 2.39785479570959 2002 2.51753670883528 2003 2.64684394015916 2004 2.77583915716211 2005 2.90611757795565 2006 3.03322449499313 2007 3.15030145470194 2008 3.25432265434342 2009 3.35160638248488 2010 3.40418698115694 2011 3.41316956121559 2012 3.42162965752323 2013 3.43660893694383 2014 3.45781827687941 2015 3.48178196675305 2016 3.51693212569921 2017 3.55813493646559 2018 3.58707501879025 2019 3.59557173127589 2020 3.59129129613789 2021 3.57655053725482 2022 3.55132131808597 2023 3.5218635751395