Year % of female population 1960 6.22577727714984 1961 6.19444835817371 1962 6.15001304011084 1963 6.08418875174941 1964 5.99837476188205 1965 5.90019553624115 1966 5.79051637177429 1967 5.66491722218356 1968 5.54041065543568 1969 5.44559178701768 1970 5.3939909694838 1971 5.43159022112299 1972 5.53433496070629 1973 5.61934462535599 1974 5.66932623615888 1975 5.68709547974375 1976 5.68203810686209 1977 5.67257313399143 1978 5.67350998076031 1979 5.68401188064921 1980 5.72664650681661 1981 5.82284276790431 1982 5.95609735996033 1983 6.10575959745752 1984 6.25930024638136 1985 6.39744641500865 1986 6.51332980088112 1987 6.61551997062834 1988 6.70614535740714 1989 6.78212214074373 1990 6.85920897668864 1991 6.96154410044135 1992 7.08098734276138 1993 7.1999992561074 1994 7.31130809270324 1995 7.41048694250149 1996 7.49395203221432 1997 7.56268165851701 1998 7.61959585176578 1999 7.66038596113671 2000 7.70226337693134 2001 7.75755048174159 2002 7.81360351337579 2003 7.86301120914865 2004 7.90097559155922 2005 7.92117195399504 2006 7.92118641586334 2007 7.90617768061269 2008 7.88295336886499 2009 7.85617167550784 2010 7.82521238839746 2011 7.79247392514997 2012 7.76729877424424 2013 7.74264547272171 2014 7.71782782183599 2015 7.70533015096155 2016 7.69316113111657 2017 7.67329508575472 2018 7.65614429653994 2019 7.65272500667547 2020 7.66344251268658 2021 7.68402899286011 2022 7.70315397205088 2023 7.71265471585159