Year % of female population 1960 12.4125116570079 1961 12.4507881490975 1962 12.502422161387 1963 12.5709438505538 1964 12.6572047530402 1965 12.7615462120489 1966 12.8812850659727 1967 13.0067094525748 1968 13.1313844381512 1969 13.2662863911181 1970 13.4153449930538 1971 13.5764694924989 1972 13.7575511156407 1973 13.9517392088608 1974 14.1342542964675 1975 14.3014461170964 1976 14.4595639386749 1977 14.6062531950401 1978 14.7408197370055 1979 14.8640592042069 1980 14.988600263413 1981 15.1174625711926 1982 15.2482093181149 1983 15.3816112893899 1984 15.5407389783552 1985 15.7181002414668 1986 15.8859064302079 1987 16.0461560860746 1988 16.2108463504011 1989 16.3557597056639 1990 16.4660553798398 1991 16.5580848746691 1992 16.6246798997382 1993 16.6616114617059 1994 16.671392347009 1995 16.6773397087193 1996 16.70448433951 1997 16.7338817414878 1998 16.743832025262 1999 16.71865237032 2000 16.6343632727435 2001 16.428527049329 2002 16.1229700636526 2003 15.7813066254736 2004 15.437099365533 2005 15.1052793880252 2006 14.8137457779735 2007 14.5764008096884 2008 14.3827677395603 2009 14.226799487704 2010 14.0946080644983 2011 14.0151498595594 2012 13.9675220972022 2013 13.9082261872268 2014 13.8306890954727 2015 13.7437093716843 2016 13.6464050020731 2017 13.5479445238679 2018 13.4572036370639 2019 13.372002755319 2020 13.2954655047011 2021 13.2152811499172 2022 13.1026642689568 2023 12.9605931686319