Year % of female population 1960 12.3375008487995 1961 12.3209959132158 1962 12.2672637478265 1963 12.1972312896644 1964 12.1781070010405 1965 12.1942836479171 1966 12.1951248793687 1967 12.2027596086686 1968 12.2521993970255 1969 12.338987234347 1970 12.4159382133645 1971 12.4541402749606 1972 12.4440650317725 1973 12.3824087479359 1974 12.2928437406412 1975 12.1961935823561 1976 12.1008631054446 1977 12.0302076033799 1978 11.9536437374301 1979 11.8254796688558 1980 11.6684111126396 1981 11.4952225786332 1982 11.3011959030792 1983 11.1126163108388 1984 10.9336739224589 1985 10.7738810991533 1986 10.6745035682558 1987 10.6227766381212 1988 10.6267649092976 1989 10.7233315360969 1990 10.8448239692922 1991 10.9242412389764 1992 10.9144473381933 1993 10.757083187989 1994 10.4806948954861 1995 10.1575813297776 1996 9.80735165119976 1997 9.48009458785501 1998 9.22512941810146 1999 9.02441016726365 2000 8.86959793430324 2001 8.74387886565788 2002 8.65320844207157 2003 8.59120641983571 2004 8.51680305116097 2005 8.42796302420781 2006 8.31229997447648 2007 8.15784832494581 2008 8.00578027988967 2009 7.89198699200603 2010 7.82928385733327 2011 7.81505218790255 2012 7.82852351135434 2013 7.85478958661416 2014 7.89236087871058 2015 7.93077247691925 2016 7.96369266057739 2017 7.99145645164546 2018 8.00423166062859 2019 7.98610146157871 2020 7.92094866227942 2021 7.82672464119024 2022 7.72792373650009 2023 7.6261833417679