Year % of female population 1960 0.427924659319141 1961 0.423958873503468 1962 0.448362756081156 1963 0.499436880121303 1964 0.544687767161602 1965 0.582223998875962 1966 0.614035996986499 1967 0.643908169900671 1968 0.671133739183087 1969 0.681912704700165 1970 0.669952228287117 1971 0.675442083349245 1972 0.725292251272457 1973 0.771124102528255 1974 0.79629201502885 1975 0.819774679333953 1976 0.838289291732356 1977 0.852149700708684 1978 0.861185805460389 1979 0.864849356868512 1980 0.832720608220034 1981 0.772780354698158 1982 0.720124228289573 1983 0.673982073746867 1984 0.635351155348834 1985 0.604498033681316 1986 0.581068839482909 1987 0.565038008192116 1988 0.555775466315061 1989 0.552530141720424 1990 0.554716102154184 1991 0.562633607427825 1992 0.576158604542562 1993 0.593874450040862 1994 0.639076776019804 1995 0.703638579172758 1996 0.75664632238116 1997 0.799400174690905 1998 0.83654992942561 1999 0.879236557437474 2000 0.938089792613741 2001 1.01636995098252 2002 1.11083890452455 2003 1.21296138794199 2004 1.31641619778658 2005 1.42009252800303 2006 1.52202577435238 2007 1.61851637403114 2008 1.71254527016937 2009 1.79889119917224 2010 1.86656448804674 2011 1.91586984575967 2012 1.9510778503437 2013 1.97533481876809 2014 1.97683566927367 2015 1.94920715390962 2016 1.89541810700092 2017 1.85221270884227 2018 1.83387793469432 2019 1.82962724075363 2020 1.83619494144222 2021 1.83895917839348 2022 1.84134328782726 2023 1.86045903005433