Year % of female population 1960 3.55227611841043 1961 3.51285021066081 1962 3.45086766124532 1963 3.38021987164161 1964 3.32297360070369 1965 3.2868001941702 1966 3.26836144414754 1967 3.26720635816866 1968 3.27927221712985 1969 3.29669984975591 1970 3.31514255991054 1971 3.33548137550261 1972 3.35808368921839 1973 3.38094034829886 1974 3.40078079237813 1975 3.41564242402754 1976 3.42724585217743 1977 3.43775101454475 1978 3.44590102756214 1979 3.44891011054716 1980 3.44871201900451 1981 3.44641290516275 1982 3.44148950048415 1983 3.44026810843764 1984 3.45262453867263 1985 3.48165486059726 1986 3.52553232487392 1987 3.58400453517927 1988 3.65507975486738 1989 3.73425228355821 1990 3.81874627963869 1991 3.90850702640696 1992 4.00253524612255 1993 4.09575153727762 1994 4.20330949782861 1995 4.33121500072563 1996 4.4644270422287 1997 4.6036075324554 1998 4.75532479385814 1999 4.90498725472225 2000 5.04697813160238 2001 5.19469304494253 2002 5.34707384022352 2003 5.50096420444588 2004 5.65476762908253 2005 5.80658895600452 2006 5.95399410630803 2007 6.09304884036272 2008 6.21954349760424 2009 6.32991156716396 2010 6.41718607387099 2011 6.47485312526565 2012 6.50260127463515 2013 6.50091133981405 2014 6.47019627547813 2015 6.41709964096856 2016 6.34992201132994 2017 6.26827537306861 2018 6.18508880033907 2019 6.12328613008947 2020 6.0961747426193 2021 6.10489227930058 2022 6.1528911387919 2023 6.23334078637706