Year % of female population 1960 15.18362628807941 1961 14.72065361372846 1962 14.493263358085152 1963 14.64726749993168 1964 14.975183846468676 1965 15.274771734151539 1966 15.560622151477881 1967 15.60514677906051 1968 15.370911770051677 1969 15.14676627746832 1970 14.996603024948936 1971 14.862058697918812 1972 14.736228406265996 1973 14.540283348153148 1974 14.252552391243103 1975 13.910733471052025 1976 13.54150471715459 1977 13.182502640092416 1978 12.83051984244947 1979 12.550532730919734 1980 12.384606888646307 1981 12.305248306429467 1982 12.310022956575764 1983 12.33141766043725 1984 12.307181686842776 1985 12.268482790381512 1986 12.229946500075833 1987 12.17860180066121 1988 12.118459352166218 1989 12.052383747256668 1990 11.956788849314748 1991 11.755237437393056 1992 11.425753825595944 1993 11.067439229550034 1994 10.704526466576649 1995 10.318872787575323 1996 9.980530045982224 1997 9.717994907929809 1998 9.486101762971217 1999 9.275175595672902 2000 9.097478087290083 2001 8.952047267640385 2002 8.824253786193934 2003 8.713776795596605 2004 8.621697964249455 2005 8.529942261140594 2006 8.439222521892628 2007 8.371577930970439 2008 8.330112933964118 2009 8.303496037869033 2010 8.274766300275532 2011 8.243522760541925 2012 8.221126270771313 2013 8.187719306796458 2014 8.129398188146839 2015 8.054102370997782 2016 7.968933278993955 2017 7.863475015153961 2018 7.718918658486844 2019 7.539979396149029 2020 7.332763706296711 2021 7.100587876315057 2022 6.8620448543380475 2023 6.650518590011632