Year % of female population 1960 13.9589622882874 1961 13.8509811734236 1962 13.6164053075995 1963 13.4027842660936 1964 13.2646141326461 1965 13.1893121091529 1966 13.2096254872056 1967 13.338267340981 1968 13.5031694773352 1969 13.6737610568195 1970 13.7754525951297 1971 13.7060714681645 1972 13.5074192609834 1973 13.2340303637926 1974 12.9822089131584 1975 12.9372321305129 1976 12.961960200352 1977 12.8357318124544 1978 12.5820924637493 1979 12.2301928901642 1980 11.9931645176324 1981 11.991113246067 1982 12.0318379160637 1983 11.9854991634133 1984 11.8487485229348 1985 11.6215936708206 1986 11.3187825091461 1987 10.9857197623155 1988 10.6600857973154 1989 10.3882266764334 1990 10.2661025321621 1991 10.2852475496356 1992 10.3433450033782 1993 10.4019859064702 1994 10.4545988488195 1995 10.4949622648738 1996 10.5222691045476 1997 10.5661625535199 1998 10.6673398366361 1999 10.8503931430191 2000 11.1227775444491 2001 11.4888566990698 2002 11.9164554749629 2003 12.3365239647979 2004 12.658495350803 2005 12.8019837052781 2006 12.7190714756904 2007 12.4129013720279 2008 11.9669876203576 2009 11.4865357950814 2010 11.0320350141601 2011 10.6357716639148 2012 10.3174900667216 2013 10.0498701101693 2014 9.82031325069665 2015 9.62386359202466 2016 9.45731513805141 2017 9.32458354366482 2018 9.24454508027995 2019 9.23021945682334 2020 9.14970883383114 2021 8.95102435593071 2022 8.87519810710061 2023 8.90258440360782