Year % of female population 1960 9.14714755176948 1961 9.08439425263926 1962 9.0410061762584 1963 9.0242185880736 1964 9.05511889956006 1965 9.13136415143506 1966 9.27497093363524 1967 9.49104238694315 1968 9.74745036357453 1969 10.0252290532466 1970 10.2972536444792 1971 10.5272221066567 1972 10.6928258534788 1973 10.8088280263908 1974 10.9069375169131 1975 10.848007689644 1976 10.5979699493658 1977 10.4871298652772 1978 10.5635919620317 1979 10.6619918285816 1980 10.7613340856273 1981 10.8428069910758 1982 10.8904339179154 1983 10.9008168017663 1984 10.8878378741017 1985 10.8661325519454 1986 10.8490676959253 1987 10.8449700292705 1988 10.8581724475486 1989 10.8866295560399 1990 10.9283601088138 1991 10.9442452736264 1992 10.9319141768235 1993 10.9394268036006 1994 10.9845974313774 1995 11.0911772290972 1996 11.379564751793 1997 11.7718448533598 1998 12.0177878669448 1999 12.1269876917502 2000 12.1738698144347 2001 12.152468589607 2002 12.0637890944866 2003 11.9095882298891 2004 11.6935162192278 2005 11.4211650086814 2006 11.1124755728209 2007 10.7870897652432 2008 10.4463004642398 2009 10.0895867238492 2010 9.71006544862545 2011 9.30059619975868 2012 8.86560604869362 2013 8.39355514656931 2014 7.91977566708316 2015 7.51464763989439 2016 7.19496497374136 2017 6.95668528446028 2018 6.83970223498819 2019 6.83937207715763 2020 6.91042561022468 2021 7.04593612635039 2022 7.24414003682911 2023 7.4899081347714