Year % of female population 1960 9.02545865183967 1961 9.0890747099484 1962 9.16114946146754 1963 9.24197026756195 1964 9.3270667538124 1965 9.40661154010743 1966 9.46142699547665 1967 9.45885529421988 1968 9.32935219612532 1969 9.08968840682417 1970 8.86351029328968 1971 8.69102167132476 1972 8.56995216884895 1973 8.55445396409032 1974 8.63030929773432 1975 8.70035278138769 1976 8.74109528228685 1977 8.77224846569947 1978 8.79515558390208 1979 8.8113766767478 1980 8.8189934831729 1981 8.81795285614255 1982 8.81132137974234 1983 8.80148020964272 1984 8.78738817277954 1985 8.76886801184874 1986 8.75084243643422 1987 8.72960787691127 1988 8.69826612202054 1989 8.65916263221088 1990 8.61570693429986 1991 8.56866082566712 1992 8.51952757548342 1993 8.47447095263682 1994 8.43977205737866 1995 8.41816679138941 1996 8.40064565995572 1997 8.38414765572058 1998 8.38629836326866 1999 8.40712493828789 2000 8.43543899693109 2001 8.46410102991736 2002 8.47889890113468 2003 8.46714260395103 2004 8.43255472107204 2005 8.37966875121037 2006 8.30707285870499 2007 8.23144602162686 2008 8.16241777056125 2009 8.09636128380724 2010 8.04649838437786 2011 8.02492420790624 2012 8.03404607388821 2013 8.06494452545083 2014 8.11179207157425 2015 8.18017989697546 2016 8.26212934980746 2017 8.33981422017621 2018 8.40993424682006 2019 8.47308015349632 2020 8.53033605243682 2021 8.58411646095294 2022 8.63567637649609 2023 8.68767900230009