Year % of female population 1960 12.1146644340725 1961 12.5180781060687 1962 12.8685654680358 1963 13.1200627286451 1964 13.2620104766252 1965 13.2937477600756 1966 13.2712825131604 1967 13.2533227596717 1968 13.2366055278594 1969 13.2175306578069 1970 13.1925271113173 1971 13.162531631958 1972 13.1316416930314 1973 13.0961802326837 1974 13.0535280726598 1975 13.0101551418858 1976 12.971368797877 1977 12.9488171322417 1978 12.9532066414405 1979 12.9861376336932 1980 13.0436627985732 1981 13.1234258622259 1982 13.2160265830518 1983 13.3142397509427 1984 13.4142728314501 1985 13.503802274359 1986 13.5749433104245 1987 13.6247740405094 1988 13.6476528905701 1989 13.6475595300169 1990 13.6319990580157 1991 13.6020424259012 1992 13.5675570613783 1993 13.5261394176486 1994 13.4700494184382 1995 13.4027742896847 1996 13.3050442867659 1997 13.1809759958093 1998 13.0683008413183 1999 12.96840194171 2000 12.8731620105359 2001 12.786363381521 2002 12.6986023735488 2003 12.5949060582403 2004 12.4688520287659 2005 12.3408079786728 2006 12.2025199318151 2007 12.0216935882602 2008 11.8031686961338 2009 11.5655225784061 2010 11.3189197868685 2011 11.067502115075 2012 10.8268315587948 2013 10.6037253554985 2014 10.3925529435597 2015 10.1928021571306 2016 10.0134720487388 2017 9.861109357499 2018 9.73516056259348 2019 9.63570597215669 2020 9.56134139061507 2021 9.49836110863303 2022 9.43535516745848 2023 9.37260531440797