Year % of female population 1960 15.7000092419669 1961 15.8020355164394 1962 15.8685548221525 1963 15.9227091953561 1964 15.9718443694227 1965 16.0187431192942 1966 16.0767659827696 1967 16.1389116843093 1968 16.1813759302959 1969 16.2037381466072 1970 16.2126576848012 1971 16.156084751952 1972 16.0136086667751 1973 15.8059425263232 1974 15.5405350753975 1975 15.2311752179206 1976 14.8984046797818 1977 14.5806933219185 1978 14.3095867678875 1979 14.0828130749929 1980 13.8930810790123 1981 13.6894979842739 1982 13.4570322692323 1983 13.2381207300907 1984 13.0378986387167 1985 12.8418666851477 1986 12.6441570905939 1987 12.4374997566822 1988 12.2074576820238 1989 11.9718948978612 1990 11.76148745769 1991 11.5916476526309 1992 11.490094425482 1993 11.4739424479512 1994 11.5310818643032 1995 11.6571701786502 1996 11.8686379155507 1997 12.1233512666355 1998 12.349386891677 1999 12.5300843742647 2000 12.6530488902436 2001 12.6771091839939 2002 12.6196420593414 2003 12.4891775176149 2004 12.2744421872066 2005 12.0079337453452 2006 11.693974699524 2007 11.3392201988958 2008 10.9678757078861 2009 10.6133016054301 2010 10.2919955578904 2011 10.016028209649 2012 9.80932797457706 2013 9.69602928304289 2014 9.63901689708142 2015 9.59560261860672 2016 9.56403001980977 2017 9.53239992819961 2018 9.38646820569048 2019 9.29638461614261 2020 9.28707778616631 2021 9.23170893445745 2022 9.20353682129458 2023 9.16485044318262