Year % of female population 1960 27.550957977389885 1961 27.635431656067958 1962 27.513959358664124 1963 27.317929543846574 1964 27.13257607396703 1965 26.961526333042183 1966 26.715429224328712 1967 26.422861233379187 1968 26.16701343281077 1969 25.899310419617777 1970 25.606588496494947 1971 25.305777965324335 1972 25.004942339657582 1973 24.68043027523063 1974 24.34773865756027 1975 24.00595737686106 1976 23.652767506450065 1977 23.30248899721642 1978 22.953191582758755 1979 22.622040783455255 1980 22.334609053679 1981 22.10502576794589 1982 21.893596742155342 1983 21.6753347038971 1984 21.462218459221283 1985 21.24442834885787 1986 21.0249080426586 1987 20.824288260173375 1988 20.651912338545838 1989 20.480051115721725 1990 20.29660801770471 1991 20.121115664678765 1992 19.95199098634213 1993 19.770868394585783 1994 19.566335571141394 1995 19.338116255355025 1996 19.103225208528002 1997 18.87240896860359 1998 18.6370636182033 1999 18.40157153719068 2000 18.165876125977796 2001 17.917446212726734 2002 17.66086171075439 2003 17.421788910474447 2004 17.20235598395797 2005 16.986438318639923 2006 16.78880245747518 2007 16.63026715402906 2008 16.517888705292542 2009 16.431961909369292 2010 16.351374178615764 2011 16.291423316493095 2012 16.251555738665 2013 16.219449871912325 2014 16.18902960832411 2015 16.161107861363554 2016 16.138833430572266 2017 16.11114930745754 2018 16.054292544488966 2019 15.97251924859334 2020 15.874608457075045 2021 15.756827788894348 2022 15.605088272618854 2023 15.423836343664364