Year % of female population 1960 0.339889908534211 1961 0.329998284941473 1962 0.318419350520967 1963 0.310108809835825 1964 0.309600215954248 1965 0.316076688376615 1966 0.327641099048921 1967 0.343861090131636 1968 0.360369608655045 1969 0.37120862610981 1970 0.375854034274358 1971 0.377147542716063 1972 0.376133367868597 1973 0.376475761413777 1974 0.383615998549578 1975 0.397984668745328 1976 0.417788119219341 1977 0.441643775504349 1978 0.465484310960433 1979 0.484556375133078 1980 0.497792908912887 1981 0.506345216252622 1982 0.511531616237397 1983 0.516048294794337 1984 0.52310281258731 1985 0.533733040445875 1986 0.547292366051695 1987 0.563529254487391 1988 0.580858385952405 1989 0.597071956532455 1990 0.611632241138404 1991 0.625038617350189 1992 0.637323683488568 1993 0.648913222352495 1994 0.660587714942862 1995 0.672632056593806 1996 0.685022615050575 1997 0.697714450104966 1998 0.710577646282209 1999 0.723412506943948 2000 0.73615285204724 2001 0.748802179102956 2002 0.761538447982025 2003 0.774718583308017 2004 0.788548934457236 2005 0.803233736471859 2006 0.818552458918242 2007 0.833933675728528 2008 0.849290347133407 2009 0.865061937315046 2010 0.881898297193802 2011 0.900939004501869 2012 0.923903113013664 2013 0.952373448560023 2014 0.987221167652185 2015 1.02784680023827 2016 1.07323019061719 2017 1.12204102990885 2018 1.17076214759856 2019 1.2153605834257 2020 1.24990213149978 2021 1.25220169069803 2022 1.23508898983506 2023 1.25127626006512