Year % of female population 1960 8.08733733936125 1961 8.13169036587314 1962 8.29062090316059 1963 8.46741671337371 1964 8.57488996147202 1965 8.53858847690199 1966 8.29982078276487 1967 7.87211443536316 1968 7.34615748443351 1969 6.83684060660059 1970 6.45958797870713 1971 6.32267284498625 1972 6.44485328956426 1973 6.74752284931235 1974 7.14211741164287 1975 7.54169007177179 1976 7.86857000094765 1977 8.08344954842542 1978 8.19061084155393 1979 8.212105419269 1980 8.18132463810945 1981 8.17532927814318 1982 8.22068059603465 1983 8.27319583410398 1984 8.31247196966608 1985 8.33272432290221 1986 8.3298709738957 1987 8.29213754273074 1988 8.20726844023988 1989 8.07870745768425 1990 7.91878044271989 1991 7.74597265296385 1992 7.6053093256582 1993 7.48754691761927 1994 7.37135340570875 1995 7.27122958255609 1996 7.18724706499033 1997 7.13909824184549 1998 7.13122636263368 1999 7.1404890687066 2000 7.17781327833305 2001 7.23837517009046 2002 7.27854944306675 2003 7.31355712561516 2004 7.35673429329408 2005 7.38143634034654 2006 7.39409302146945 2007 7.42318757147893 2008 7.44916852047982 2009 7.42407077569894 2010 7.33858510966945 2011 7.25632470903406 2012 7.17751117369648 2013 7.02834733410699 2014 6.84780618830121 2015 6.66902693009259 2016 6.50488324746359 2017 6.3899360975527 2018 6.31918149081186 2019 6.28457678173943 2020 6.30861701071854 2021 6.35302704423514 2022 6.32448905693687 2023 6.26004108973332