Year % of female population 1960 18.0792597103056 1961 18.0743049761696 1962 18.105198587106 1963 18.1734151657514 1964 18.2726456385928 1965 18.4020102389506 1966 18.5252810916929 1967 18.5632780947077 1968 18.4927163764506 1969 18.3288571590458 1970 18.0630333268093 1971 17.7791625366578 1972 17.5525799439828 1973 17.3544596787256 1974 17.1644777111892 1975 17.0196161730708 1976 16.9036626683809 1977 16.7802065590898 1978 16.6535398757442 1979 16.5256735636589 1980 16.3855856393653 1981 16.2574217995883 1982 16.1286052901748 1983 15.9717863298299 1984 15.7861114334418 1985 15.5528302022665 1986 15.2765389008235 1987 15.0195375739204 1988 14.8452543319112 1989 14.7285128476837 1990 14.6326806840202 1991 14.5515931841261 1992 14.4381805790567 1993 14.208177585551 1994 13.8910401765961 1995 13.557619465796 1996 13.2129466500651 1997 12.8654494737547 1998 12.5185304575726 1999 12.1830959523294 2000 11.8647782844135 2001 11.5440190927776 2002 11.1969737363225 2003 10.8066792229254 2004 10.3857123974207 2005 9.9624245760541 2006 9.57029859663395 2007 9.26260774833679 2008 9.04946848679029 2009 8.89811135944469 2010 8.80076481524015 2011 8.74640113964952 2012 8.6863944398122 2013 8.6162651941639 2014 8.56119526152244 2015 8.50013364096357 2016 8.39291082448064 2017 8.23442189697871 2018 8.04768239103781 2019 7.85047868883773 2020 7.65842143986565 2021 7.50029743228635 2022 7.38569573715009 2023 7.2923567693517