Year % of female population 1960 13.74207943479017 1961 13.87099973231727 1962 13.907868359084217 1963 13.81254582713558 1964 13.561449667484403 1965 13.229049683981598 1966 12.909271413179633 1967 12.765671253440305 1968 12.945250273951036 1969 13.281989002768281 1970 13.604819602644213 1971 13.907238268452609 1972 13.993403341622537 1973 13.84179275225074 1974 13.700102836353576 1975 13.621513775009392 1976 13.55773576885114 1977 13.502095037705926 1978 13.387389418885004 1979 13.186859658782433 1980 12.922526323941334 1981 12.618651145326119 1982 12.31393046547764 1983 12.020353768434376 1984 11.79743802657904 1985 11.673571077715826 1986 11.628371056014476 1987 11.659559726572075 1988 11.699325595708231 1989 11.696177888622667 1990 11.680802766488252 1991 11.671022405120098 1992 11.664255177406224 1993 11.654906559539878 1994 11.641760007722192 1995 11.60742325272842 1996 11.481916001333794 1997 11.242669043971427 1998 10.974544211281946 1999 10.697190926112864 2000 10.395734809531808 2001 10.129828295589272 2002 9.926845426705103 2003 9.748406542162595 2004 9.586439803852716 2005 9.453024500961023 2006 9.347096802508908 2007 9.252657888980488 2008 9.167038628099702 2009 9.091363868978672 2010 9.013147465436603 2011 8.933982033531642 2012 8.87032995307525 2013 8.827247894552208 2014 8.799598710072033 2015 8.77563252495399 2016 8.749904847043306 2017 8.728403514004722 2018 8.70002534601473 2019 8.653872627251287 2020 8.59489065797392 2021 8.534071849632111 2022 8.46765311094535 2023 8.360950042553547