Year % of female population 1960 5.8040601282471 1961 6.11104309860465 1962 6.53088754219737 1963 6.83534845601162 1964 7.02485080754855 1965 7.16704585010651 1966 7.19983275818085 1967 7.15234223354318 1968 7.13698879485216 1969 7.15609916904481 1970 7.21114292120367 1971 7.28618223315237 1972 7.36900422625607 1973 7.45514995221703 1974 7.55108980817521 1975 7.62830757341267 1976 7.69503091080117 1977 7.74308798846417 1978 7.76459134630497 1979 7.77578862548314 1980 7.75953222536261 1981 7.68902152674534 1982 7.56845768098583 1983 7.40624389292537 1984 7.20722210657517 1985 7.03322996038261 1986 6.90992712391743 1987 6.80565434337889 1988 6.6873463994932 1989 6.53134119660276 1990 6.32916650463642 1991 6.11575531650986 1992 5.94244613028263 1993 5.83533559612566 1994 5.79355831302345 1995 5.80771699973594 1996 5.84164545030578 1997 5.85188803212294 1998 5.83090745758138 1999 5.78703863199808 2000 5.72317149562062 2001 5.66116270442895 2002 5.62921809069998 2003 5.63596178391418 2004 5.67092866397232 2005 5.727351744025 2006 5.79249808027642 2007 5.84113357050542 2008 5.85054392366558 2009 5.80537990395635 2010 5.72150509459274 2011 5.62278537001289 2012 5.52798836896942 2013 5.4493989064269 2014 5.40124777539515 2015 5.38408843938685 2016 5.36832097363529 2017 5.33485386740924 2018 5.30671621204852 2019 5.30412665864863 2020 5.32323048141564 2021 5.36453677223015 2022 5.42879576978715 2023 5.51050134251608