Year % of female population 1960 6.76688267590557 1961 6.55474807022299 1962 6.37840235046288 1963 6.14480727031162 1964 5.9519353148162 1965 5.83200584620076 1966 5.78691492112749 1967 5.87483710702069 1968 6.14849187935035 1969 6.39927962707766 1970 6.59698347291408 1971 6.80626731726455 1972 6.97176702481255 1973 7.14119175298938 1974 7.34143936904371 1975 7.50791245557209 1976 7.68638133366352 1977 7.80750317294964 1978 7.83270030583799 1979 7.8794725584843 1980 8.00210221350717 1981 8.13744876445399 1982 8.26776570500812 1983 8.39405829596413 1984 8.48977398663398 1985 8.56401996162507 1986 8.53110703727559 1987 8.50758030468211 1988 8.56179251350656 1989 8.58161264458152 1990 8.50493447598502 1991 8.46772155098327 1992 8.39977428629557 1993 8.15817774855879 1994 7.87432424796097 1995 7.57861776559246 1996 7.28018141805467 1997 7.16266259059476 1998 7.24930344316352 1999 7.30003606202669 2000 7.35711491268628 2001 7.43163798579937 2002 7.32134723637135 2003 7.11994890649543 2004 7.08168033601239 2005 7.19126378573798 2006 7.30697074612542 2007 7.46103286998755 2008 7.61562461960317 2009 7.55688197347305 2010 7.31156223534022 2011 7.08514312133783 2012 6.93446287062943 2013 6.87409260182207 2014 6.9048202364182 2015 7.0310223409422 2016 7.20457891416038 2017 7.45834232136472 2018 7.7612000822609 2019 7.95994004090189 2020 7.9535114219558 2021 7.82771276227408 2022 7.67256532491218 2023 7.40142502234284