Year % of female population 1960 2.2449324336941427 1961 2.2928901971727185 1962 2.339248670000313 1963 2.3874950356631985 1964 2.436273373608588 1965 2.474826592873467 1966 2.51124533161937 1967 2.546657397303058 1968 2.5810844136743007 1969 2.6185074345595094 1970 2.6612052265094612 1971 2.7185518635564363 1972 2.7827343883227402 1973 2.8403371480420243 1974 2.895276690193531 1975 2.9670759286572337 1976 3.0459597593175487 1977 3.125282365780177 1978 3.2042128329859647 1979 3.2770791710300644 1980 3.3377983081960174 1981 3.3885166345580013 1982 3.444784126924282 1983 3.511902486291818 1984 3.5863831627822327 1985 3.6556822474277 1986 3.7043807330361127 1987 3.748375033609125 1988 3.791489598178874 1989 3.809302914775649 1990 3.7441740618833275 1991 3.5587234855915413 1992 3.298549932206034 1993 3.0248774327739767 1994 2.842586572899196 1995 2.908042146083756 1996 3.1926763937664706 1997 3.5297152274627592 1998 3.854053799658923 1999 4.1022167428586975 2000 4.200393294602996 2001 4.200966409499047 2002 4.189247992803052 2003 4.182903334492666 2004 4.188293081881625 2005 4.206740409352253 2006 4.221847251148413 2007 4.221221647414998 2008 4.207954419528316 2009 4.208348263135283 2010 4.226611392098128 2011 4.253115179961668 2012 4.297712255475345 2013 4.358648606396896 2014 4.425820482343865 2015 4.487150389601124 2016 4.511513152437775 2017 4.472608308172725 2018 4.423072906096982 2019 4.377216840724842 2020 4.2869838292948 2021 4.263679936510101 2022 4.3898231023862415 2023 4.558532431814671