Year % of female population 1960 8.1167074985184 1961 8.01976705379597 1962 7.98979740012646 1963 8.14430085027414 1964 8.44606647345135 1965 8.78022622604172 1966 8.92850648322479 1967 9.00188383347077 1968 9.06206150480656 1969 8.97015464105673 1970 8.76056946917031 1971 8.5841682491214 1972 8.31936044074496 1973 7.92800760787866 1974 7.56277880376287 1975 7.26868368179536 1976 7.09680005004558 1977 7.0105434355897 1978 6.97120907415411 1979 6.93630514350214 1980 6.90261676655529 1981 6.84825357292216 1982 6.79886082139795 1983 6.76229055372566 1984 6.73932402684002 1985 6.68977258251257 1986 6.59727926297969 1987 6.54388007265807 1988 6.53596022239277 1989 6.54003909862863 1990 6.58113126092042 1991 6.69158457161308 1992 6.78104257902284 1993 6.79548605626634 1994 6.75875128018633 1995 6.68080485691275 1996 6.55373886718097 1997 6.41885922659015 1998 6.32861800560292 1999 6.28856184988968 2000 6.2580522242168 2001 6.21939805860784 2002 6.18716868874938 2003 6.13789962945871 2004 6.03796291419382 2005 5.9109465634516 2006 5.80538945095103 2007 5.67459702393774 2008 5.53654387031651 2009 5.44044697038425 2010 5.38532829937643 2011 5.34932473902622 2012 5.31739413647758 2013 5.15828976994566 2014 4.90604262724342 2015 4.72080760218879 2016 4.62116360620312 2017 4.59975556176776 2018 4.71511033406776 2019 4.86718645349073 2020 4.88021325586801 2021 4.7671922051932 2022 4.59280399361772 2023 4.4422702769372