Year % of female population 1960 3.68114980114431 1961 3.7599669427915 1962 3.94818820252079 1963 4.20409559477765 1964 4.47209539862417 1965 4.71537760471407 1966 4.94838726316328 1967 5.17799169268608 1968 5.37927163152717 1969 5.51912227396734 1970 5.59633327689453 1971 5.60597823451207 1972 5.5365763256008 1973 5.42564093310567 1974 5.33164930573706 1975 5.26396372497925 1976 5.23217219080186 1977 5.24355002338594 1978 5.25010372405298 1979 5.17673496668041 1980 5.00174056308382 1981 4.74280813227563 1982 4.4149099729684 1983 4.05622140066608 1984 3.72486229349118 1985 3.45938300767136 1986 3.26288059463599 1987 3.14927544349412 1988 3.13238514216417 1989 3.22097494930494 1990 3.45891054760563 1991 3.78674389390096 1992 4.10329909580117 1993 4.39907179514302 1994 4.65262879225382 1995 4.80844282045227 1996 4.90804801381122 1997 5.02397423682139 1998 5.15425419961206 1999 5.30758213465228 2000 5.48299167877581 2001 5.66449756788175 2002 5.84180860452026 2003 5.993632127417 2004 6.09850053753453 2005 6.15565842410611 2006 6.16035580268937 2007 6.11500963825113 2008 6.04154094942859 2009 5.9676249325317 2010 5.91318520170703 2011 5.8948134414765 2012 5.91451722188002 2013 5.965925036736 2014 6.03323412724482 2015 6.09686215956558 2016 6.15728871519498 2017 6.21444280397549 2018 6.25862778832452 2019 6.29855462419207 2020 6.34564074800674 2021 6.39671129407929 2022 6.45820688043828 2023 6.54705657236857