Year % of female population 1960 6.12932026896209 1961 6.01789967335661 1962 5.87688879823006 1963 5.72643828427807 1964 5.59641925102268 1965 5.5003204837402 1966 5.43491296600877 1967 5.40274338499207 1968 5.39835522038746 1969 5.41770924332323 1970 5.45652508069888 1971 5.50905791238583 1972 5.57438721875408 1973 5.64559113930887 1974 5.72019721280173 1975 5.79708541879822 1976 5.84971369324953 1977 5.87112461878705 1978 5.79688352884229 1979 5.7249456364237 1980 5.69477394562933 1981 5.59500033352037 1982 5.54148219441771 1983 5.55779242668265 1984 5.54998078677693 1985 5.52594065149645 1986 5.52138668476817 1987 5.53899170092813 1988 5.59623502137773 1989 5.8916389468343 1990 6.17998458740134 1991 6.29278932230761 1992 6.41229060000491 1993 6.5332584889537 1994 6.65638598879796 1995 6.78192421798874 1996 6.89756138861386 1997 6.98970710295246 1998 7.04950247283346 1999 7.07653140494291 2000 7.0765538869418 2001 7.06738965280479 2002 7.06065678140146 2003 7.04217221333225 2004 7.01262517632229 2005 6.98643251372886 2006 6.96833162506183 2007 6.9579011062923 2008 6.95114910001988 2009 6.92669625319116 2010 6.88649135155718 2011 6.84205266122731 2012 6.78106652166745 2013 6.72605724137719 2014 6.71878411604439 2015 6.75301651468398 2016 6.81843734774697 2017 6.935731162949 2018 7.08972308325592 2019 7.26305485840335 2020 7.51368513034613 2021 7.81506580100834 2022 8.07336224424122 2023 8.25802589027976