Year % of female population 1960 5.64174983225739 1961 5.77288202704852 1962 5.90306672129407 1963 6.01217971426448 1964 6.08360109116063 1965 6.10499304928874 1966 6.13281146774696 1967 6.18136063048396 1968 6.23159266463994 1969 6.30426017302185 1970 6.39090346882555 1971 6.43298062228767 1972 6.41399287833699 1973 6.37143400608858 1974 6.26448537807001 1975 5.97269040455014 1976 5.43432894930182 1977 4.7625979082264 1978 4.08579081230385 1979 3.62566656220816 1980 3.64350117292344 1981 4.08878662288744 1982 4.72803454963663 1983 5.39807465350002 1984 5.8757163749139 1985 6.03335037877253 1986 6.00086658583936 1987 5.89870373575865 1988 5.7665198806845 1989 5.64535821597705 1990 5.56717602882372 1991 5.5068182645484 1992 5.43071851221713 1993 5.3278493912063 1994 5.19871137107505 1995 5.03787739757223 1996 4.86169818653131 1997 4.71917625286734 1998 4.63740433933957 1999 4.63717085323115 2000 4.73409629336539 2001 4.90611200386669 2002 5.11894692747119 2003 5.40404380588047 2004 5.72428185694394 2005 5.9666287670042 2006 6.25845040369165 2007 6.65795708984562 2008 6.94860074226941 2009 7.09547506947042 2010 7.2429534401665 2011 7.31144497926603 2012 7.23685919933154 2013 7.15197950610506 2014 7.10097248726004 2015 7.04872834464739 2016 6.95734085927149 2017 6.83137831474201 2018 6.66752974464265 2019 6.43643937807983 2020 6.16734242936025 2021 5.92488604924862 2022 5.73994171111204 2023 5.68242229649709