Year % of female population 1960 29.37082241228379 1961 29.739637318746414 1962 29.84073883452704 1963 29.810524259948867 1964 29.60557253944839 1965 29.287523866757496 1966 28.96980458855003 1967 28.650547748269314 1968 28.30616503120364 1969 27.9123888340135 1970 27.451045141589063 1971 27.00677425956933 1972 26.626038442719043 1973 26.272140498191536 1974 25.953755848771184 1975 25.666307009279656 1976 25.41502715867345 1977 25.20575216879713 1978 25.017592754573904 1979 24.898347560382373 1980 24.87423469042193 1981 24.906432317796604 1982 24.961688450470028 1983 25.017974087949952 1984 25.099946275546216 1985 25.19945726542975 1986 25.28082951087078 1987 25.336321784987923 1988 25.360406597813114 1989 25.315476931440593 1990 25.19627991166226 1991 25.023395911532724 1992 24.811199148631573 1993 24.558303511818142 1994 24.266771127815677 1995 23.934241395944007 1996 23.557116510829676 1997 23.124161524888112 1998 22.608237168866044 1999 22.03697903352838 2000 21.456145195230317 2001 20.84741011615088 2002 20.21815697789778 2003 19.655686786561198 2004 19.193316392557296 2005 18.79252231333704 2006 18.46364831354092 2007 18.230905244801225 2008 18.119137746509562 2009 18.080195921122627 2010 18.068415501570787 2011 18.08871975124847 2012 18.162359953408096 2013 18.276363298716653 2014 18.41976041186622 2015 18.584716528546434 2016 18.749747835045284 2017 18.89795065751964 2018 19.016741611317602 2019 19.096360600063637 2020 19.144638165033008 2021 19.18679598746277 2022 19.258493613415226 2023 19.165792717697805