Year % of female population 1960 37.8292514848513 1961 37.8407355119665 1962 37.8706336060913 1963 37.9970435260464 1964 38.2929120596478 1965 38.612702524361 1966 38.8804551322447 1967 39.1496035111422 1968 39.4177303299852 1969 39.6692341728797 1970 39.8981189030575 1971 40.1087639703018 1972 40.3050716707324 1973 40.4886200960679 1974 40.6649848269763 1975 40.8305282790432 1976 40.9739796167224 1977 41.1022832770893 1978 41.2210581401945 1979 41.324667820686 1980 41.4174245031819 1981 41.5056106098009 1982 41.5899927924681 1983 41.6782524040635 1984 41.7745032970595 1985 41.8738969278865 1986 41.9734546271061 1987 42.0737572873576 1988 42.1702254220253 1989 42.2499916015219 1990 42.3179168916757 1991 42.3888539631297 1992 42.4711592291044 1993 42.5578860099413 1994 42.6469617057036 1995 42.7328908111852 1996 42.8198104104483 1997 42.9058866922562 1998 42.9832930657044 1999 43.0565515367852 2000 43.121004979668 2001 43.1707134467324 2002 43.209144448635 2003 43.2311444009018 2004 43.2216306225853 2005 43.1844807834416 2006 43.133213235308 2007 43.0592742575496 2008 42.9564926123163 2009 42.8278338722981 2010 42.6743752852313 2011 42.4925382069202 2012 42.2798075989658 2013 42.0261643121792 2014 41.7243359611155 2015 41.3776182197235 2016 40.9968310692292 2017 40.5977274944682 2018 40.1925547942806 2019 39.803048744583 2020 39.429573013255 2021 39.0456424573228 2022 38.642574890661 2023 38.2169887538374