Year % of female population 1960 7.32355340059273 1961 7.20696515666657 1962 7.08081504450222 1963 6.97693902456602 1964 6.90161861760802 1965 6.84230031999809 1966 6.78692565610023 1967 6.68949612170224 1968 6.54939816571655 1969 6.35822743880328 1970 6.13208933407784 1971 5.86583760451284 1972 5.57561819416427 1973 5.28481567899092 1974 5.01610785567001 1975 4.7895543148348 1976 4.59297056250086 1977 4.41073301752534 1978 4.24353525973671 1979 4.1520483387003 1980 4.15539755408332 1981 4.34042463597058 1982 4.79609620217638 1983 5.4024855607495 1984 6.0564468235799 1985 6.71938232121162 1986 7.23947054455887 1987 7.56884575268095 1988 7.84331241081741 1989 8.09228810312497 1990 8.3601070261693 1991 8.71653011892879 1992 9.10538220135305 1993 9.50727627285028 1994 9.89948613985075 1995 10.2392104118934 1996 10.4529543433396 1997 10.5913292893333 1998 10.7275032062759 1999 10.8043501357722 2000 10.7701963150737 2001 10.5910984119927 2002 10.2624705097732 2003 9.85087174274963 2004 9.49867848587319 2005 9.26064775793835 2006 9.12986098745927 2007 9.05636389763919 2008 8.98382694594545 2009 8.89457220392886 2010 8.7893949676798 2011 8.67685640735943 2012 8.56994596648315 2013 8.47250767350356 2014 8.42620070832975 2015 8.4835922633532 2016 8.59677340303055 2017 8.712769620778 2018 8.82205559860409 2019 8.8472046573263 2020 8.75571940626005 2021 8.59554177747917 2022 8.36328672852468 2023 8.06929397525335