Year % of female population 1960 15.5874460602882 1961 15.7889931655678 1962 15.9631425164578 1963 16.0987487889037 1964 16.1934219857446 1965 16.2458593523119 1966 16.2535384374491 1967 16.2208737686842 1968 16.1561023378298 1969 16.0635576068017 1970 15.9467283118905 1971 15.8101990974434 1972 15.6492662194256 1973 15.4525012514642 1974 15.2329140634332 1975 15.0161006451003 1976 14.8010862035988 1977 14.5950508120618 1978 14.4207172323758 1979 14.2560524571387 1980 14.0839182395492 1981 13.9186686084431 1982 13.7560245865103 1983 13.5831746261315 1984 13.4158502161979 1985 13.26729327226 1986 13.1201068905049 1987 12.973190330558 1988 12.8488785541232 1989 12.7392704118518 1990 12.6218293747087 1991 12.5094182786419 1992 12.413575106357 1993 12.3285945138144 1994 12.2615923857363 1995 12.2206937519954 1996 12.1901367642853 1997 12.1528348499095 1998 12.0962485416473 1999 12.0008874500059 2000 11.8603953050149 2001 11.6876011692529 2002 11.4920151711921 2003 11.2683117249668 2004 11.0425530601722 2005 10.8537748249078 2006 10.6899378592186 2007 10.5393987268089 2008 10.4077250251509 2009 10.2670082962693 2010 10.0917764421114 2011 9.89231024407671 2012 9.69838346848236 2013 9.54850644733811 2014 9.45904952217886 2015 9.41561624799117 2016 9.40630981191228 2017 9.40673666151706 2018 9.37761198787743 2019 9.30599141653751 2020 9.20405326468064 2021 9.08995330268351 2022 8.97883917402254 2023 8.8757608018126