Year % of female population 1960 12.0079620829327 1961 11.8836965717725 1962 11.8334204319349 1963 11.8257312414824 1964 11.83155453832 1965 11.9693563733129 1966 12.2297627870703 1967 12.4876671103517 1968 12.7237625961978 1969 12.9172214897249 1970 13.072462896097 1971 13.2228524769966 1972 13.3717358915495 1973 13.5083178959576 1974 13.6468106832403 1975 13.8003309248097 1976 13.9512880623815 1977 14.0565340931065 1978 14.1139359464723 1979 14.1455359265326 1980 14.1391878799191 1981 14.1025886606565 1982 14.0508721171402 1983 13.9755518306557 1984 13.8833441179758 1985 13.79150787627 1986 13.7093022405129 1987 13.6401482086883 1988 13.5916006911603 1989 13.5683980163097 1990 13.5611958729506 1991 13.5844380206298 1992 13.6347918790002 1993 13.6849793220555 1994 13.7334305051284 1995 13.7854223996386 1996 13.8320658732226 1997 13.8635506069998 1998 13.8683731359441 1999 13.8146630168712 2000 13.693277188048 2001 13.5039946053451 2002 13.2674253728474 2003 13.0213791286693 2004 12.7841841754414 2005 12.5841097771136 2006 12.4337468769206 2007 12.330917815693 2008 12.2778138220716 2009 12.2628287725876 2010 12.2747808383234 2011 12.3184764050899 2012 12.386227707665 2013 12.4479324478437 2014 12.504605825562 2015 12.5661304091414 2016 12.6192070017283 2017 12.6715395496541 2018 12.7302148944182 2019 12.7638837058253 2020 12.7271591823296 2021 12.6018441782506 2022 12.3926153520056 2023 12.1130335453147