Year % of female population 1960 9.3164257652087 1961 9.45257355184735 1962 9.61659624018235 1963 9.8048447354678 1964 10.0134694178358 1965 10.22729712076 1966 10.4366812883293 1967 10.64095146445 1968 10.8362316209838 1969 11.0154287251272 1970 11.1735178440136 1971 11.338960419913 1972 11.515280124126 1973 11.6919382579092 1974 11.8713618998061 1975 12.0486072681547 1976 12.225600306006 1977 12.3870314373973 1978 12.5042326113985 1979 12.5692876403544 1980 12.5823962034279 1981 12.5452376800119 1982 12.4643775829832 1983 12.3401651881309 1984 12.1867450629514 1985 12.0195898754842 1986 11.8532603367406 1987 11.7013172903606 1988 11.5681979380151 1989 11.448146691587 1990 11.3402089170624 1991 11.2128295544599 1992 11.0592208668756 1993 10.8998806524334 1994 10.7217809912215 1995 10.5146858762524 1996 10.2804822886954 1997 10.0312790154024 1998 9.77868637874716 1999 9.5423494664008 2000 9.34539286544836 2001 9.20869225928588 2002 9.14877401382355 2003 9.18114372125227 2004 9.29887157075303 2005 9.48121974767012 2006 9.74370775583199 2007 10.0437233480571 2008 10.3089869833488 2009 10.5198933158088 2010 10.6586690960839 2011 10.6794625207031 2012 10.602325985072 2013 10.4847351529137 2014 10.3276308313869 2015 10.1336689183902 2016 9.90708030971506 2017 9.65381952457882 2018 9.42752219168206 2019 9.17333445010494 2020 8.91475009360365 2021 8.74817335736005 2022 8.63562963438552 2023 8.56691232369379