Year % of female population 1960 14.9467280720278 1961 15.0939637206898 1962 15.1446755814314 1963 15.2159879033876 1964 15.3139879996317 1965 15.4294430810594 1966 15.5354621333561 1967 15.6101551691539 1968 15.638174568298 1969 15.6140994169171 1970 15.5657458094325 1971 15.5433665838726 1972 15.4808489877665 1973 15.328588157392 1974 15.1650542438603 1975 15.0346230240907 1976 14.9322844140251 1977 14.7762627906386 1978 14.5917630209593 1979 14.4510972932418 1980 14.3633083808162 1981 14.3433709921836 1982 14.3688992973057 1983 14.3800715086438 1984 14.5138221209554 1985 14.7935701176731 1986 15.057191438384 1987 15.2475212596857 1988 15.3904914129392 1989 15.4559294586558 1990 15.4116122414342 1991 15.3458551371256 1992 15.2428191836397 1993 15.052640609199 1994 14.8501745037432 1995 14.6829794575001 1996 14.5104033612446 1997 14.3194268739002 1998 14.1130255589146 1999 13.8872514665394 2000 13.6339632923293 2001 13.3550573015395 2002 13.0864127207659 2003 12.8807440083469 2004 12.7625682526513 2005 12.7373048830448 2006 12.7775739998055 2007 12.839663768375 2008 12.8886922644936 2009 12.9069977016722 2010 12.9118367260738 2011 12.8964231690666 2012 12.8429007981143 2013 12.7760788138924 2014 12.7183385881066 2015 12.6569489569785 2016 12.6113477458425 2017 12.6195681735966 2018 12.6523163006689 2019 12.6635812267426 2020 12.64911686102 2021 12.5833514583066 2022 12.4099504217808 2023 12.1885865958277