Year % of female population 1960 41.745825835879 1961 42.0626647863143 1962 42.3248852524446 1963 42.4839275277615 1964 42.5387891694554 1965 42.5573758325757 1966 42.7292942548848 1967 43.0388424831767 1968 43.3080717809394 1969 43.3524077823752 1970 43.2013383463834 1971 43.0566120661967 1972 42.8810664721195 1973 42.5867405114839 1974 42.1766173183453 1975 41.7061843070154 1976 41.2356746461761 1977 40.8080139084361 1978 40.3937678473022 1979 39.9099114073434 1980 39.3737443034253 1981 38.8660654106621 1982 38.4451728811422 1983 38.1471052387288 1984 37.9959925923677 1985 38.0010705364577 1986 38.1453182650126 1987 38.3826362915108 1988 38.6667587731418 1989 38.9629290247814 1990 39.2405229789809 1991 39.5270313808879 1992 39.8078068941036 1993 40.0227295434109 1994 40.1078140576731 1995 40.0904560390925 1996 40.0007152990546 1997 39.8055526306553 1998 39.5383290267011 1999 39.2047184599596 2000 38.8111771937402 2001 38.4981979243562 2002 38.1846003442926 2003 37.76873184596 2004 37.3803937570132 2005 37.0925515118812 2006 36.7100262508326 2007 36.2043781591743 2008 35.7614146212721 2009 35.3478313108254 2010 34.9140158279773 2011 34.59429141219 2012 34.4193825193072 2013 34.2668309622494 2014 34.159562285278 2015 34.1152596724761 2016 34.138503517654 2017 34.2340885010151 2018 34.3823623049984 2019 34.5115973124932 2020 34.5547038542051 2021 34.5061639745731 2022 34.3874927551309 2023 34.1987099793772