Year % of female population 1960 14.9313440251978 1961 14.8286184037193 1962 14.7024781595345 1963 14.5683097366295 1964 14.419713134273 1965 14.2475434443983 1966 14.0474304627436 1967 13.8316008266913 1968 13.616130188872 1969 13.3912820278563 1970 13.1478533945484 1971 12.8992950109166 1972 12.6501699072411 1973 12.394174283083 1974 12.1319662497304 1975 11.8799953737876 1976 11.6545688625552 1977 11.4487705190083 1978 11.2659335932663 1979 11.1051758157085 1980 10.9571299639773 1981 10.8214526964688 1982 10.6955376093007 1983 10.5812766821528 1984 10.4920272153885 1985 10.4292387001754 1986 10.3858150177879 1987 10.3589329479888 1988 10.3387610227959 1989 10.3159259473417 1990 10.2858645095333 1991 10.239127512107 1992 10.1484124370519 1993 10.0069755694483 1994 9.82517975143143 1995 9.59623513985815 1996 9.32561195516439 1997 9.04184569474329 1998 8.75689572454142 1999 8.46162037636163 2000 8.16843370196539 2001 7.89943432930246 2002 7.66396921753383 2003 7.44863310729325 2004 7.24654247970933 2005 7.06959732814413 2006 6.92024180009656 2007 6.80512734842591 2008 6.74421704032166 2009 6.73645847466437 2010 6.75419537963219 2011 6.76563988044756 2012 6.74800735962495 2013 6.69767935881762 2014 6.62335251198177 2015 6.53199137822273 2016 6.41984265817247 2017 6.28027375898626 2018 6.12614947075421 2019 5.97716788620474 2020 5.84863746787927 2021 5.75265963704208 2022 5.69456621939848 2023 5.64936987844188