Year % of female population 1960 8.93962398695612 1961 8.77241808048461 1962 8.56898697365813 1963 8.36209789189583 1964 8.19008355725697 1965 8.08317382568687 1966 8.02910665963277 1967 8.00625127611139 1968 8.00364393545029 1969 7.99538688978846 1970 7.95248147570945 1971 7.90823804372259 1972 7.8791856560621 1973 7.84230152046972 1974 7.79803379861076 1975 7.7559941513071 1976 7.79372739962934 1977 7.89691369619558 1978 7.98957308389574 1979 8.06651383048195 1980 8.11355430454143 1981 8.31835762507512 1982 8.71510097932107 1983 9.12413640893252 1984 9.40245006027622 1985 9.60662368403781 1986 9.56142383960241 1987 9.19308207152292 1988 8.77651973177971 1989 8.3457543698063 1990 7.92475602816485 1991 7.390643883443 1992 7.1978323985529 1993 7.95688905028469 1994 9.78010975447872 1995 10.8766657817136 1996 10.8183206617467 1997 10.4685335648516 1998 10.2150385564375 1999 10.1006235047598 2000 10.1494094809691 2001 10.3590367656177 2002 10.6942613654236 2003 11.0897737230937 2004 11.4582445130374 2005 11.6208968266973 2006 11.6008100968774 2007 11.6411678588857 2008 11.8441996526069 2009 12.2097376709534 2010 12.6614320557601 2011 12.6430314646164 2012 12.0799731125117 2013 11.3426091611987 2014 10.4144257069033 2015 9.27181260537635 2016 8.09580657014308 2017 7.03401248213845 2018 6.23145704233618 2019 5.67216206915586 2020 4.95893622795758 2021 4.37481299936514 2022 4.36570546626255 2023 4.55609490567998