Year % of female population 1960 14.275909360836431 1961 14.48474326264726 1962 14.501787061449773 1963 14.24383617872208 1964 13.650609497963716 1965 12.86140945696793 1966 12.102087982427273 1967 11.74625734894901 1968 12.124999293153351 1969 12.87154461088066 1970 13.615652753852157 1971 14.347437710840277 1972 14.625378294604875 1973 14.385723013306286 1974 14.174177263897121 1975 14.097618222100273 1976 14.025162865203297 1977 13.95175062148098 1978 13.739215876397088 1979 13.316145462440069 1980 12.740018374915488 1981 12.081905379484834 1982 11.426808023698346 1983 10.801272018316064 1984 10.325814829357638 1985 10.058491582362494 1986 9.953188461140922 1987 10.004237102237196 1988 10.0691270294438 1989 10.047081656468832 1990 10.022810849819804 1991 10.03842025999753 1992 10.081184932512643 1993 10.154252941277436 1994 10.25531058434357 1995 10.34181678331918 1996 10.239549315115635 1997 9.874506668284619 1998 9.444256442919517 1999 8.996242184155323 2000 8.484140844650597 2001 8.057796194140048 2002 7.779315879314416 2003 7.541238643696187 2004 7.325127679792241 2005 7.154280383805989 2006 7.016243539235798 2007 6.888074342456826 2008 6.7839167149337065 2009 6.709918749722871 2010 6.644566116637869 2011 6.598602979975951 2012 6.5936758886740625 2013 6.619161846845626 2014 6.6607614359564336 2015 6.694875222264848 2016 6.714545318840736 2017 6.747981779027984 2018 6.772795459730048 2019 6.77246098077751 2020 6.7551435477154245 2021 6.735895249529232 2022 6.706000420768624 2023 6.603479493246772