Year % of female population 1960 7.5613309341942 1961 7.35191079323229 1962 7.27052172123601 1963 7.28366068122454 1964 7.39957716701903 1965 7.47764980301402 1966 7.52224944821928 1967 7.42682597027965 1968 7.07592811768662 1969 6.6320763533642 1970 6.22276032332989 1971 5.88615934630599 1972 5.76666087383819 1973 5.97949344202496 1974 6.35980645863637 1975 6.73334322870282 1976 6.99432317798583 1977 7.15945489675005 1978 7.24785544819078 1979 7.24881617914892 1980 7.27503462606061 1981 7.28595324962697 1982 7.21961118886004 1983 7.18968752266361 1984 7.17466631178407 1985 7.14308034387662 1986 7.16242468324473 1987 7.19149041770142 1988 7.15290325878133 1989 7.03061346053571 1990 6.82230347502314 1991 6.54745746017484 1992 6.28960985926653 1993 6.13490130615957 1994 6.08219831704993 1995 6.10846702259891 1996 6.20971542280515 1997 6.32578822384044 1998 6.38847089550755 1999 6.47664160404346 2000 6.52590154262843 2001 6.48228147170924 2002 6.45664986505121 2003 6.44766507833099 2004 6.42934755766286 2005 6.40806232992229 2006 6.3902418716956 2007 6.38463355837161 2008 6.42556385932245 2009 6.49687938431437 2010 6.54696963732377 2011 6.56885680311354 2012 6.62167927419206 2013 6.69888268911965 2014 6.7542756718913 2015 6.77400367469048 2016 6.68491288325999 2017 6.4881839014609 2018 6.18814821387426 2019 5.78111486752103 2020 5.39784320690219 2021 5.13270358273547 2022 4.90307843173853 2023 4.69886261721223