Year % of female population 1960 8.165382095805 1961 7.93776961175907 1962 8.01558970794964 1963 8.31196526949148 1964 8.72734017845757 1965 9.16941221912664 1966 9.5600188490355 1967 9.86510459498595 1968 10.0927590101996 1969 10.2547097888288 1970 10.3567865543281 1971 10.3420089643375 1972 10.2050960219847 1973 10.034918390884 1974 9.87756821512888 1975 9.75414639914994 1976 9.67599093705041 1977 9.63711873057273 1978 9.61814581117167 1979 9.59360928778147 1980 9.53209490588937 1981 9.37622603563952 1982 9.12343499856328 1983 8.84246293953296 1984 8.5789538060097 1985 8.36033279578013 1986 8.2066810334375 1987 8.12258194248944 1988 8.09177449567378 1989 8.09110884282357 1990 8.10110103309735 1991 8.09989578494029 1992 8.06497430870757 1993 8.00727368805514 1994 7.96010727715279 1995 7.92001322912819 1996 7.89134104696786 1997 7.89738507984477 1998 7.93846834474686 1999 7.98128695182372 2000 7.99852063968522 2001 7.96997510197757 2002 7.88923599768731 2003 7.74817770675533 2004 7.54013893361549 2005 7.31225023586172 2006 7.11234013135154 2007 6.94171013765514 2008 6.80707856005353 2009 6.73539062765278 2010 6.74158171146123 2011 6.7657488881413 2012 6.71099682776408 2013 6.61494229875363 2014 6.50120840018891 2015 6.36162827390344 2016 6.25366994887886 2017 6.18407793598644 2018 6.11362687974283 2019 6.02932389718061 2020 5.91116886661374 2021 5.77114505120779 2022 5.6770588079886 2023 5.65613709849249