Year % of female population 1960 8.20114312490323 1961 8.19607334214652 1962 8.25356118722492 1963 8.32643566601051 1964 8.37690452426172 1965 8.39477470220878 1966 8.37693377044266 1967 8.35300420829286 1968 8.36976284287105 1969 8.41137859169936 1970 8.44697603593186 1971 8.4827803438655 1972 8.52439942777902 1973 8.56742711738826 1974 8.627749420761 1975 8.70887529468613 1976 8.79076716424983 1977 8.87813701000912 1978 8.97828432426237 1979 9.0891542413171 1980 9.20315604068892 1981 9.30502302253561 1982 9.38879088330333 1983 9.45936414309403 1984 9.5215203348974 1985 9.57802588332618 1986 9.62629489251909 1987 9.66824241521273 1988 9.71891098394918 1989 9.79013378887174 1990 9.8743432853258 1991 9.95639801642299 1992 10.0266352872872 1993 10.0651265496822 1994 10.0694823293691 1995 10.0477758262338 1996 9.99348880196366 1997 9.90980250570903 1998 9.81736981940119 1999 9.73712594993865 2000 9.64653643013395 2001 9.54389182333654 2002 9.45310695175652 2003 9.35722367888817 2004 9.26210874002408 2005 9.18506973840834 2006 9.11077051989161 2007 9.02730382804691 2008 8.94574960010407 2009 8.88505578643572 2010 8.86487845318578 2011 8.8617609048114 2012 8.84703324304071 2013 8.82084892056791 2014 8.77091966477011 2015 8.68835471754189 2016 8.58771803151858 2017 8.48378160313803 2018 8.3827058942535 2019 8.29760664803679 2020 8.23646553153339 2021 8.18982013454471 2022 8.1400803571676 2023 8.08400922597251