Year % of female population 1960 14.510757361632 1961 14.617229908338 1962 14.7345951953516 1963 14.8091750846152 1964 14.7951384476239 1965 14.6907748932062 1966 14.5158876766145 1967 14.287660631364 1968 14.0417657975563 1969 13.8452380331523 1970 13.8526784069844 1971 13.9413940022829 1972 13.922158819572 1973 13.9087249564292 1974 13.9326679927618 1975 14.0712079383083 1976 14.3244808402725 1977 14.5724402617527 1978 14.6508362792409 1979 14.1395380982549 1980 13.2114911715845 1981 12.0684347807258 1982 10.6358773069529 1983 9.41940839719824 1984 9.05298463352702 1985 9.65492004999948 1986 10.7659176644937 1987 12.1315998465289 1988 13.5805438892367 1989 14.6813656181283 1990 15.2211086499619 1991 15.4236760896378 1992 15.4345671294907 1993 15.2887399368808 1994 15.1401788916412 1995 15.0136340260014 1996 14.9084062499616 1997 14.7932227795021 1998 14.3501107298402 1999 13.8604089371428 2000 13.5538402594732 2001 13.0859835156483 2002 12.4501869056676 2003 11.8467082335503 2004 11.3775316136609 2005 10.9791279746582 2006 10.7081339958317 2007 10.6116409786774 2008 10.5192327604426 2009 10.3669531907268 2010 10.2630640321459 2011 10.1858811122938 2012 10.1260580630835 2013 10.0807945451229 2014 10.0352659324586 2015 9.97986682871127 2016 9.91312020311462 2017 9.84115109648275 2018 9.77298732017999 2019 9.71416659805763 2020 9.65263625719215 2021 9.58018697843149 2022 9.48353896356365 2023 9.35359532406972