Year % of female population 1960 7.29528278843236 1961 7.29684112468158 1962 7.29903987665569 1963 7.29545940098094 1964 7.27242977428713 1965 7.22953249396069 1966 7.17165078780369 1967 7.10096393636188 1968 7.02868191434412 1969 6.96972144964666 1970 6.92940318872544 1971 6.90544376183792 1972 6.90009118053216 1973 6.91307124524658 1974 6.90849386458209 1975 6.87841607145736 1976 6.83798760424238 1977 6.76150870933448 1978 6.60816012317167 1979 6.35417863714587 1980 6.09191713028498 1981 5.89412761264169 1982 5.75440528634361 1983 5.6991751145125 1984 5.72896668010179 1985 5.77678083570586 1986 5.8131695839515 1987 5.8590128636183 1988 5.91599227226787 1989 5.98409991175411 1990 6.06182855805359 1991 6.1469944185587 1992 6.24559458282184 1993 6.37327882065084 1994 6.5046936848305 1995 6.59870529761957 1996 6.65728410429817 1997 6.69239586510048 1998 6.70507340643003 1999 6.69878856961836 2000 6.67853161943565 2001 6.64800247374973 2002 6.61251811478121 2003 6.59778004506335 2004 6.59902512039249 2005 6.59020460245628 2006 6.57315144713485 2007 6.54874318095721 2008 6.51849849302099 2009 6.48538946933845 2010 6.45342403748596 2011 6.42467805978886 2012 6.39921524501955 2013 6.37544317987188 2014 6.35535293061778 2015 6.339796191725 2016 6.32871025026543 2017 6.32199520369283 2018 6.31948027342646 2019 6.31866106610883 2020 6.32445156812951 2021 6.34192960261803 2022 6.36605408569956 2023 6.39363708636844