Year % of female population 1960 9.42040612575992 1961 9.82454331425822 1962 10.3342004539957 1963 10.8520193706148 1964 11.2122146822949 1965 11.3376422231489 1966 11.2621107640039 1967 11.0307741602931 1968 10.7353020569022 1969 10.4880540710468 1970 10.4729987051565 1971 10.6966700203676 1972 10.9558823529412 1973 11.1485982488151 1974 11.2518488039767 1975 11.2243355858287 1976 10.9952696111851 1977 10.6738478487056 1978 10.4117208840328 1979 10.2069432356639 1980 10.1693478506574 1981 10.3014036087544 1982 10.423086944412 1983 10.4282071573024 1984 10.3080089208063 1985 10.1357450793463 1986 9.96700543293999 1987 9.82180497454357 1988 9.64544869298448 1989 9.36939466254894 1990 9.09077006598818 1991 8.90145564980626 1992 8.72854999817058 1993 8.53818431931678 1994 8.41944904664289 1995 8.36814899958015 1996 8.31278999871675 1997 8.25973577869641 1998 8.20319125340848 1999 8.14940250543615 2000 8.12441057515207 2001 8.12046029543785 2002 8.1139611808026 2003 8.1263084655 2004 8.17416930306276 2005 8.24690686943685 2006 8.34222751417414 2007 8.47356250963465 2008 8.63264097883467 2009 8.78851648656821 2010 8.8747014061615 2011 8.88152454226366 2012 8.85039888349189 2013 8.78570215244243 2014 8.70022548527696 2015 8.58800703767082 2016 8.44869021869743 2017 8.29726262275033 2018 8.15651892707641 2019 8.03381145087522 2020 7.95993517172343 2021 7.93928297206308 2022 7.93521508054167 2023 7.9455560725919