Year % of female population 1960 28.77969189942128 1961 28.856262379760043 1962 28.76706341338278 1963 28.61684926105483 1964 28.511634594144617 1965 28.44308925981033 1966 28.30927777234437 1967 28.147689367568226 1968 28.008860991320137 1969 27.84060733088406 1970 27.652703390778218 1971 27.44056348058882 1972 27.207800200452798 1973 26.944150403155223 1974 26.65905881381226 1975 26.345768658047017 1976 26.00989908798145 1977 25.671562901848112 1978 25.32204649596575 1979 24.964916557843967 1980 24.631968929088764 1981 24.34697986748353 1982 24.079601688701423 1983 23.792185456957377 1984 23.5014551057422 1985 23.212860359521734 1986 22.919351159592708 1987 22.643515321719057 1988 22.400415639751948 1989 22.17590054230767 1990 21.974950624645384 1991 21.789201136723705 1992 21.616944859654563 1993 21.455033972438994 1994 21.274569365635955 1995 21.071806372206513 1996 20.865113852289223 1997 20.668848128290424 1998 20.482363854499617 1999 20.302622020667776 2000 20.12138687535085 2001 19.931344201383737 2002 19.73468046768743 2003 19.531682448515266 2004 19.32127258395782 2005 19.10636492129103 2006 18.89893670579751 2007 18.709588701413285 2008 18.548801545532147 2009 18.403649748455944 2010 18.263302024749645 2011 18.13511528400402 2012 18.00487699508076 2013 17.8738648268491 2014 17.741496325537952 2015 17.611127651850442 2016 17.4888240407975 2017 17.376937618147778 2018 17.254470575244405 2019 17.11238856670839 2020 16.953011217697245 2021 16.775621740651054 2022 16.571487790071174 2023 16.35093450975887