Year % of female population 1960 17.8172550796801 1961 17.5428004771336 1962 17.2058541454513 1963 16.855100427642 1964 16.5662645631188 1965 16.3630202336017 1966 16.2218210014904 1967 16.122524296494 1968 16.0634585586032 1969 16.0049589153565 1970 16.1090082329566 1971 16.2906261601524 1972 16.3612533507158 1973 16.3269972163814 1974 16.030761722811 1975 14.9924026793931 1976 13.7169091766527 1977 12.5608052920466 1978 11.4685056904883 1979 11.1850409875406 1980 12.023176933918 1981 13.4837082758108 1982 15.1568436064963 1983 16.8777928222319 1984 18.1700975541216 1985 18.823550090291 1986 19.0117923840807 1987 19.0558700933664 1988 18.9920415270582 1989 18.769729928092 1990 18.4291536612431 1991 18.0922953556696 1992 17.6466812765072 1993 17.1503574505279 1994 16.7640554066066 1995 16.365313744293 1996 15.8169954609168 1997 15.1544628626336 1998 13.9128242685187 1999 12.7628808792445 2000 12.2751033659179 2001 11.9355786008735 2002 11.7970106851954 2003 11.6675880178015 2004 11.4652194996344 2005 11.313286878216 2006 11.1981571378487 2007 11.1069168432558 2008 11.0311678659217 2009 10.9576338835003 2010 10.8781852165092 2011 10.7878478769878 2012 10.6902869879205 2013 10.59085155425 2014 10.4967876769641 2015 10.4044153923715 2016 10.3001557201087 2017 10.1654681810093 2018 9.99824628366877 2019 9.80567110512183 2020 9.59937792627238 2021 9.39451092941821 2022 9.1958253090594 2023 8.99917870528417