Year % of female population 1960 7.50117939512147 1961 7.91063343367403 1962 8.1837115128409 1963 8.26682655238186 1964 8.18267306772124 1965 7.97387613749819 1966 7.68769622498349 1967 7.38494345448705 1968 7.11651613971538 1969 6.87434442650728 1970 6.69052322021433 1971 6.59090813567309 1972 6.5314227340409 1973 6.46494877326298 1974 6.40731664464921 1975 6.34948222314179 1976 6.28424586082911 1977 6.24810267080231 1978 6.27502577504975 1979 6.40790573210055 1980 6.61342881295319 1981 6.82050901394726 1982 6.98999906118432 1983 7.0569236090971 1984 6.96449219055972 1985 6.7962104352673 1986 6.65383675801729 1987 6.53205998510573 1988 6.44256000265098 1989 6.4122236374899 1990 6.3667157729383 1991 6.22796423318521 1992 6.03500245841369 1993 5.83911649233728 1994 5.65985129374487 1995 5.54056688977023 1996 5.48805119359824 1997 5.4653295053061 1998 5.46317973329978 1999 5.47155477051541 2000 5.49263956487781 2001 5.55962538943157 2002 5.67749940022314 2003 5.84589500865818 2004 6.04907178140846 2005 6.26626472412946 2006 6.46881832111129 2007 6.6213709356186 2008 6.69397797500617 2009 6.66248355776087 2010 6.50338149890115 2011 6.23559403266618 2012 5.92524626599495 2013 5.61679726971053 2014 5.35065566755567 2015 5.16742909051536 2016 5.08004133504958 2017 5.08094241234731 2018 5.1537957468147 2019 5.26036987941457 2020 5.37462456959304 2021 5.49859343858785 2022 5.61283283760758 2023 5.69492804126777