Year % of female population 1960 10.545591695797917 1961 11.088922151586624 1962 11.603206487703204 1963 11.989894202121464 1964 12.240150358649032 1965 12.41635183707632 1966 12.453623408549703 1967 12.415759945777594 1968 12.240553623660922 1969 11.772309581925027 1970 11.111907196118306 1971 10.477756931450473 1972 10.189428561222368 1973 10.554771668474377 1974 11.271205071125408 1975 12.011592529911931 1976 12.760699363998905 1977 13.106798435399732 1978 12.981021977426504 1979 12.852816372186412 1980 12.816717631151906 1981 12.767419129626836 1982 12.697682430490215 1983 12.498961611703015 1984 12.119704921697831 1985 11.598304305358143 1986 10.997569334563204 1987 10.400663750295957 1988 9.82936328885349 1989 9.393933953737774 1990 9.14892734742591 1991 9.071113748918297 1992 9.16341826092855 1993 9.273779147902687 1994 9.30604127231347 1995 9.344369962902503 1996 9.409718974549973 1997 9.482370809618164 1998 9.579022923004883 1999 9.701142355928143 2000 9.805832482290604 2001 9.726003179802778 2002 9.39493261892039 2003 9.00289751507801 2004 8.590755405801362 2005 8.112341473465122 2006 7.712186785236083 2007 7.4482454413648735 2008 7.216598078461444 2009 7.003208197523695 2010 6.835096407494462 2011 6.701007686467061 2012 6.57835746724483 2013 6.480435965195365 2014 6.411830170056266 2015 6.351843534244269 2016 6.3124707084283616 2017 6.31595733171704 2018 6.353645110145426 2019 6.410878468492054 2020 6.463777159744938 2021 6.508663940766317 2022 6.571220052143976 2023 6.620182076663167