Year % of female population 1960 13.903075183624027 1961 14.054398385905758 1962 14.05845211181651 1963 13.849141787889307 1964 13.388181533484884 1965 12.795184634530719 1966 12.229600561197154 1967 11.974385096218972 1968 12.279755167282438 1969 12.86161973638917 1970 13.43185202047778 1971 13.977112820007795 1972 14.160359193848508 1973 13.943765374801306 1974 13.744020810737902 1975 13.64738175314797 1976 13.56486810195124 1977 13.488123418724513 1978 13.302307934876607 1979 12.960966569409454 1980 12.511667879520077 1981 11.998455321348565 1982 11.490198934729506 1983 11.006880211479077 1984 10.637008735664187 1985 10.423196939065278 1986 10.336417718009919 1987 10.375540262670135 1988 10.424974241952885 1989 10.40451571498821 1990 10.374796142381083 1991 10.373782280599702 1992 10.392732699325965 1993 10.427869708025252 1994 10.473214663227523 1995 10.493459400381893 1996 10.359395933978943 1997 10.017622195617239 1998 9.625197586015771 1999 9.220923168532426 2000 8.768555749217954 2001 8.382906796921933 2002 8.11475268215579 2003 7.882165117893002 2004 7.668784815956879 2005 7.492423064168938 2006 7.34198477357874 2007 7.201068026852258 2008 7.0834311997293655 2009 6.995750919743294 2010 6.921437913555003 2011 6.870795894758235 2012 6.861169537638642 2013 6.882976343546329 2014 6.9210902189082395 2015 6.953011608088146 2016 6.972901578520482 2017 7.00262297027452 2018 7.022954532302713 2019 7.023265004527172 2020 7.011114687800527 2021 6.9892016962119365 2022 6.955913932251652 2023 6.85379624038504