Year % of female population 1960 3.48944826948485 1961 3.45995647623331 1962 3.42838190347509 1963 3.3984327170676 1964 3.37059700570964 1965 3.34513258293024 1966 3.32609905439791 1967 3.31218916229518 1968 3.30063847991139 1969 3.29097895421371 1970 3.2823727605549 1971 3.27713028688492 1972 3.27396592508156 1973 3.27020004781735 1974 3.26872761449945 1975 3.26925667069939 1976 3.27203509989126 1977 3.27474023861475 1978 3.26721015176778 1979 3.25433910051671 1980 3.24499384576908 1981 3.23871908012448 1982 3.23398378066461 1983 3.22763527545386 1984 3.21873479001272 1985 3.20952080769116 1986 3.20247975310648 1987 3.19679369001362 1988 3.19347119397621 1989 3.1933868502679 1990 3.19412292197931 1991 3.19834789092595 1992 3.20794994889757 1993 3.21698342365291 1994 3.20823159197232 1995 3.20356798910188 1996 3.22190204148875 1997 3.24776035306073 1998 3.27169344176033 1999 3.29072903015161 2000 3.30863655937092 2001 3.32436435233668 2002 3.33856464134297 2003 3.35352525155404 2004 3.36652313209111 2005 3.37681938221723 2006 3.38626177580844 2007 3.39418177334629 2008 3.40111381008076 2009 3.40813012630979 2010 3.41362706247007 2011 3.41599719201551 2012 3.41433638747896 2013 3.40401893552501 2014 3.38644892053422 2015 3.36473211559389 2016 3.33966330935606 2017 3.31639940363066 2018 3.2998547971067 2019 3.28919847522469 2020 3.2682025024095 2021 3.23112514071121 2022 3.19194029156114 2023 3.1631351559059