Year % of female population 1960 16.239623187169 1961 16.1431842555288 1962 16.1141869612216 1963 16.0071139760916 1964 15.8041321303486 1965 15.4946682845468 1966 15.0740371275891 1967 14.5517503702637 1968 13.9666436202426 1969 13.3552691249534 1970 12.7711712645408 1971 12.3254979506298 1972 12.1154675632072 1973 12.0966416321493 1974 12.1547559055566 1975 12.2128348620071 1976 12.2368955502282 1977 12.2239689283212 1978 12.2354459795541 1979 12.3417246072619 1980 12.533787042965 1981 12.7694525868228 1982 12.9928560675526 1983 13.1366292951533 1984 13.1510723544662 1985 13.0602980442651 1986 12.8700601313363 1987 12.5530742657674 1988 12.1318786613176 1989 11.6380683520747 1990 11.0677770816174 1991 10.4461784139174 1992 9.85417774592091 1993 9.32186518467926 1994 8.85299540643951 1995 8.44542108560179 1996 8.08339203214533 1997 7.76075057934554 1998 7.49247337597172 1999 7.29768802305335 2000 7.17354034921291 2001 7.10005548363233 2002 7.05471522985927 2003 7.02777787931848 2004 7.00017732455044 2005 6.96743393255668 2006 6.95030644324105 2007 6.95736883610892 2008 6.97654621129196 2009 6.98476675033641 2010 6.98140192274171 2011 6.96731110332672 2012 6.92783801011609 2013 6.86165754572795 2014 6.78332889147544 2015 6.68958574840006 2016 6.56977430378593 2017 6.43077691731202 2018 6.27847462703822 2019 6.13833851089371 2020 6.00327059810331 2021 5.86396091986593 2022 5.72745842220232 2023 5.59041115333459