Year % of female population 1960 11.8696810376602 1961 11.9182831340583 1962 11.9769374124799 1963 12.0784702164933 1964 12.1792293661969 1965 12.2405845762171 1966 12.3009701373468 1967 12.3710990424735 1968 12.4463118534996 1969 12.5287523270043 1970 12.6309716801439 1971 12.745643164381 1972 12.8527961707982 1973 12.9461615070531 1974 13.0215372769365 1975 13.0763718600493 1976 13.1133459632127 1977 13.139337015772 1978 13.1657980241354 1979 13.2046412360661 1980 13.2596239397757 1981 13.3149581693635 1982 13.3541680682075 1983 13.3835502598364 1984 13.4042097020071 1985 13.414506551705 1986 13.4135845499633 1987 13.4030512046423 1988 13.3861274021463 1989 13.3605516174578 1990 13.3133143715782 1991 13.2597208206125 1992 13.2292039898336 1993 13.2196773613344 1994 13.2252839070248 1995 13.2548479972949 1996 13.2945684568802 1997 13.3130966683835 1998 13.312926482929 1999 13.304710886481 2000 13.274759747943 2001 13.2199084107427 2002 13.1692207873028 2003 13.1301431258548 2004 13.0985397502787 2005 13.069370838115 2006 13.0306601806313 2007 12.9781823068089 2008 12.9175783816071 2009 12.8553486018001 2010 12.8004465009728 2011 12.7578054371557 2012 12.7294244798343 2013 12.7155101301537 2014 12.7207559975167 2015 12.751113420927 2016 12.8037321877745 2017 12.8617205910157 2018 12.9099673637625 2019 12.9372909549082 2020 12.9357896566222 2021 12.9099896483427 2022 12.8614374331918 2023 12.784654572226