Year % of female population 1960 10.1728539068025 1961 10.3510725042175 1962 10.5683364619196 1963 10.8306686678848 1964 11.1335664066435 1965 11.4340305403072 1966 11.7244988258141 1967 12.0239870490824 1968 12.3096032639306 1969 12.5736896805413 1970 12.7975262227067 1971 12.9548181940275 1972 13.0350458147917 1973 13.0226190495785 1974 12.9091256517348 1975 12.7001492964259 1976 12.4274641886134 1977 12.1470798808946 1978 11.8916908886478 1979 11.6677598976966 1980 11.475314928595 1981 11.3072882746605 1982 11.1452521679135 1983 10.9767116871395 1984 10.8040856149282 1985 10.6427244292012 1986 10.4975443777485 1987 10.354383335945 1988 10.2222032473952 1989 10.1160458283311 1990 10.0386055051314 1991 9.99927162691809 1992 10.016844345633 1993 10.0790987023537 1994 10.1629298393579 1995 10.2525096647559 1996 10.3228164388547 1997 10.3658835316279 1998 10.3841880757254 1999 10.3763713330821 2000 10.3462353273345 2001 10.287597058585 2002 10.2120922956391 2003 10.117009159889 2004 9.98860739701729 2005 9.82825823526595 2006 9.62641257086903 2007 9.35692492233154 2008 9.02732312950271 2009 8.6670533773396 2010 8.28750651087553 2011 7.8916364468317 2012 7.51885200848232 2013 7.19029650682168 2014 6.85929619398756 2015 6.53867182293293 2016 6.28321239432776 2017 6.05157220836796 2018 5.85194775888631 2019 5.71363672468886 2020 5.61321878762652 2021 5.5923513828473 2022 5.61485285265258 2023 5.62345459725442