Year % of female population 1960 8.11965906546742 1961 8.01722388148781 1962 7.918037615961 1963 7.79697981475165 1964 7.67832427906094 1965 7.58316150100055 1966 7.5297398413329 1967 7.52419030299982 1968 7.55714602041881 1969 7.61652142399271 1970 7.70181641821372 1971 7.83581534940231 1972 8.02431843946643 1973 8.24766703647977 1974 8.48835692108389 1975 8.64133108237175 1976 8.65921995261655 1977 8.70105040392746 1978 8.79223561595427 1979 8.85095263474407 1980 8.88084226301447 1981 8.89906801247988 1982 8.92973400889863 1983 8.98685295249104 1984 9.06770985292581 1985 9.1589536701622 1986 9.24509776945015 1987 9.29496178550906 1988 9.30936285512926 1989 9.3177195296379 1990 9.33366215921772 1991 9.36317390170491 1992 9.40597227900028 1993 9.463948351547 1994 9.53411795176612 1995 9.62117264381676 1996 9.73742127572247 1997 9.91038330054117 1998 10.1042592883468 1999 10.295154845669 2000 10.5056950530292 2001 10.720020905104 2002 10.9175441206366 2003 11.0726384794336 2004 11.1703474136123 2005 11.192815948732 2006 11.1473202085612 2007 11.0427738881058 2008 10.8717969998402 2009 10.6419142197365 2010 10.3620394273661 2011 10.0506424343765 2012 9.725114281353 2013 9.39269460426313 2014 9.05342955895002 2015 8.69805446337068 2016 8.32095613332952 2017 7.92867899149717 2018 7.50883662857431 2019 7.09218773088654 2020 6.74862215879141 2021 6.48862080231682 2022 6.30261915442763 2023 6.22902124763057