Year % of female population 1960 15.691074162208 1961 15.4359961788764 1962 15.0797731680085 1963 14.6841667570597 1964 14.2474649652501 1965 13.8801593759645 1966 13.5845222295952 1967 13.2666548571273 1968 12.9320539697898 1969 12.5755968169761 1970 12.1871991512381 1971 11.7561373523928 1972 11.3261740663568 1973 10.9264187219089 1974 10.5613863957385 1975 10.2594503235246 1976 10.0273879668832 1977 9.84034397081004 1978 9.68582795993964 1979 9.5755059936242 1980 9.50398890045092 1981 9.46400884567631 1982 9.45659278992612 1983 9.4736971817969 1984 9.50266648602712 1985 9.53629665195472 1986 9.56659261675169 1987 9.5875832031202 1988 9.59327892344689 1989 9.57656205789364 1990 9.5277950434788 1991 9.43712383029317 1992 9.30067425720566 1993 9.10951258836661 1994 8.86828592641581 1995 8.5986700690106 1996 8.31516503574507 1997 8.03313291544071 1998 7.77037721343988 1999 7.54030704532543 2000 7.34094401466738 2001 7.15931512109856 2002 6.9975048881808 2003 6.86357371336437 2004 6.75274742879113 2005 6.70799775475066 2006 6.74414280401636 2007 6.79602190025518 2008 6.80544914767286 2009 6.73325368004097 2010 6.57177766325213 2011 6.36179163009154 2012 6.17549268358547 2013 6.03239475046911 2014 5.90786446177021 2015 5.78117299162149 2016 5.6222166570486 2017 5.36549921645817 2018 5.13023051705 2019 5.04406168636091 2020 5.01041302464163 2021 5.03747339540232 2022 5.1524377989469 2023 5.26571232719067