Year % of female population 1960 9.302189140039637 1961 9.287691423194184 1962 9.265645154427178 1963 9.228286122807866 1964 9.169150269395026 1965 9.07131799121544 1966 8.906563293239053 1967 8.717163489792695 1968 8.530069483974419 1969 8.332858995620095 1970 8.16293109603662 1971 8.052160544790292 1972 7.9478180392307705 1973 7.80985885981103 1974 7.661738959913529 1975 7.48979652945304 1976 7.292041751724312 1977 7.102550806253997 1978 6.945270384858372 1979 6.818952367914435 1980 6.728085831517281 1981 6.66750333490426 1982 6.620503882214881 1983 6.5715624264358485 1984 6.5094899052174355 1985 6.433598512751291 1986 6.359574364478175 1987 6.298537877604676 1988 6.253086356505884 1989 6.2213351401087715 1990 6.1926931299241375 1991 6.154019815382083 1992 6.110173751242227 1993 6.055080292121257 1994 5.974858341698614 1995 5.87446819493915 1996 5.764294436776772 1997 5.661163093830501 1998 5.573992489518376 1999 5.505138002251266 2000 5.453283697587857 2001 5.406575361620371 2002 5.360946805165307 2003 5.326744242602862 2004 5.299844399886611 2005 5.2666653557167775 2006 5.241392877403596 2007 5.242188256656556 2008 5.255755746139228 2009 5.263183310686969 2010 5.262717361915654 2011 5.25563229794616 2012 5.232996359158404 2013 5.1923350506802475 2014 5.142447294913519 2015 5.094703993299045 2016 5.047383053169839 2017 4.99044728109075 2018 4.917066509723158 2019 4.828984052863992 2020 4.724343932758033 2021 4.616691250474055 2022 4.5283104138748485 2023 4.458202941802495