Year % of female population 1960 11.8101525971554 1961 12.1920718831701 1962 12.5045406704358 1963 12.762915939997 1964 13.0055889689847 1965 13.1798752379161 1966 13.3034136957859 1967 13.4422261807213 1968 13.5734983313324 1969 13.6744361706077 1970 13.7385608733696 1971 13.7635794770332 1972 13.74236354124 1973 13.6700660077533 1974 13.5435025895621 1975 13.353348421487 1976 13.1006830674874 1977 12.7853888871659 1978 12.4424909741739 1979 12.1255305512086 1980 11.853000973066 1981 11.6311646233457 1982 11.4641817257038 1983 11.3527323410522 1984 11.2666419085151 1985 11.172738387301 1986 11.0709342355338 1987 10.9682502876942 1988 10.851257485794 1989 10.7339606328095 1990 10.6467925212901 1991 10.5946834046443 1992 10.570750975864 1993 10.5644878339247 1994 10.5663684546029 1995 10.5576271918081 1996 10.5248390644157 1997 10.4581528862648 1998 10.361124678854 1999 10.233875364277 2000 10.213344934514 2001 10.3192263081078 2002 10.4238269317104 2003 10.5036634113509 2004 10.5456606947093 2005 10.5295319062832 2006 10.4349044286561 2007 10.2721705207234 2008 10.0642515411912 2009 9.84123261315458 2010 9.62752000496359 2011 9.43608405413678 2012 9.25846138734108 2013 9.06597166498518 2014 8.8576012070649 2015 8.65980923650026 2016 8.47541519838654 2017 8.29489392841719 2018 8.10820944696848 2019 7.89505843396396 2020 7.66705762941382 2021 7.4754453699345 2022 7.33687611202654 2023 7.25798261369086