Year % of female population 1960 6.33730342367826 1961 6.4043483289002 1962 6.46857736281865 1963 6.51830408424803 1964 6.54142399680751 1965 6.54064728353223 1966 6.5346044635495 1967 6.52823783265404 1968 6.51848046901959 1969 6.51605506363728 1970 6.53036496106329 1971 6.50323429664365 1972 6.44988347360089 1973 6.406219395876 1974 6.32804284604149 1975 6.08960852293274 1976 5.63667998590626 1977 5.06774382856515 1978 4.49637659087428 1979 4.14349776235151 1980 4.23580413116862 1981 4.71725002743076 1982 5.338410390189 1983 5.96308034765329 1984 6.38691599931459 1985 6.48722653692272 1986 6.3720209527259 1987 6.15627671327882 1988 5.90936939404434 1989 5.65853026225454 1990 5.43134809284368 1991 5.242612701257 1992 5.09446389930204 1993 4.96403294585819 1994 4.82807226888446 1995 4.6852113021011 1996 4.55167238760392 1997 4.45129828218918 1998 4.42774077728793 1999 4.69659523543152 2000 5.21974677711214 2001 5.71482798541401 2002 6.04787291173537 2003 6.23342657399545 2004 6.17306128353611 2005 5.7667431207308 2006 5.35582901554404 2007 5.26902182494888 2008 5.35859198957217 2009 5.41361162997508 2010 5.55992763060142 2011 5.72128270126526 2012 5.70513290273673 2013 5.62481502700188 2014 5.59259774758647 2015 5.62637986160956 2016 5.75582921440548 2017 5.93647980030458 2018 6.11232418740582 2019 6.30549725104757 2020 6.51280335996692 2021 6.7074246659905 2022 6.89751476838805 2023 7.11060349776633