Year % of female population 1960 3.737138941703147 1961 3.728319366799777 1962 3.7148440382223753 1963 3.70036246509123 1964 3.6906142443100927 1965 3.687470970630273 1966 3.689868106450358 1967 3.6967855869424877 1968 3.7061607893889126 1969 3.715382826923515 1970 3.7225803576856524 1971 3.7283815102072864 1972 3.733746452061757 1973 3.7377107263576037 1974 3.7383927631044473 1975 3.7357031841800503 1976 3.7290095622351327 1977 3.716724851852674 1978 3.6996996325379654 1979 3.681904949864474 1980 3.668303954803322 1981 3.657367153859068 1982 3.646665965819175 1983 3.634745030408341 1984 3.6175672172423226 1985 3.5945644511051156 1986 3.5661963181165044 1987 3.5341299226145075 1988 3.5032105358718537 1989 3.4784726587258112 1990 3.4595842119763702 1991 3.4428076426336602 1992 3.426102880225521 1993 3.406947873878252 1994 3.3832879245643284 1995 3.36727352083224 1996 3.368555498177051 1997 3.384179385233173 1998 3.4166163395959406 1999 3.464970806243835 2000 3.5170625186299893 2001 3.5651051619914877 2002 3.610914828199028 2003 3.6541126088503026 2004 3.6942257559021137 2005 3.73154400917417 2006 3.7645726300009366 2007 3.7920265901921026 2008 3.8120299489945935 2009 3.8235953314858344 2010 3.829396809224022 2011 3.828846695673036 2012 3.821862256712389 2013 3.813141844371372 2014 3.806140007327688 2015 3.8036526376424376 2016 3.80958173164896 2017 3.8256026058179438 2018 3.8510619960118344 2019 3.8854706363703757 2020 3.9262942330774284 2021 3.9696710738375502 2022 4.01497827145746 2023 4.063425276206591