Year % of female population 1960 37.3977848378063 1961 37.5461830186175 1962 37.5515000418659 1963 37.4042622382719 1964 37.1339362529224 1965 36.7572364133826 1966 36.2811788953495 1967 35.7082833894607 1968 35.0513023794972 1969 34.3439705746927 1970 33.6214598677617 1971 32.9222758525731 1972 32.25929559207 1973 31.604668496331 1974 30.9328086087625 1975 30.2473252001754 1976 29.5515275884969 1977 28.8531858405591 1978 28.1660696016127 1979 27.5099344498158 1980 26.9107074180059 1981 26.4035676595363 1982 25.9970211514924 1983 25.6566819509028 1984 25.3535425566792 1985 25.0643469718081 1986 24.7577149517362 1987 24.432217491089 1988 24.1069615475023 1989 23.7778439605334 1990 23.432239212729 1991 23.094064809631 1992 23.3463073633486 1993 23.8313738801543 1994 23.8017248587101 1995 23.1591884134945 1996 21.9758947163576 1997 20.9470549093113 1998 20.1592568991251 1999 19.4117710648122 2000 18.6683552298433 2001 17.9666569232173 2002 17.3333085228621 2003 16.7677617590896 2004 16.2696556634243 2005 15.8196330908467 2006 15.3829961115424 2007 15.1195636844414 2008 15.0944806953573 2009 15.144222961924 2010 15.1500736105764 2011 15.0658012795099 2012 14.9160766271553 2013 14.7230156973071 2014 14.5523395571456 2015 14.4567389303084 2016 14.4023354331498 2017 14.3755664941404 2018 14.3704594360632 2019 14.367926613131 2020 14.3613401655124 2021 14.3600986406652 2022 14.3015296527254 2023 14.1585875390029