Year % of female population 1960 11.7294200560576 1961 11.8482748385246 1962 12.0775177392407 1963 12.3929423155728 1964 12.7230100071224 1965 13.0170307231156 1966 13.218012155751 1967 13.2526435231904 1968 13.1142985549259 1969 12.8416695521903 1970 12.4623758948436 1971 12.0127374060963 1972 11.5390560621197 1973 11.0591565218921 1974 10.617221155042 1975 10.2767402385628 1976 10.0547327945995 1977 9.93775592479737 1978 9.90206658601507 1979 9.91176857391652 1980 9.91946322079245 1981 9.90148846194413 1982 9.85904835603735 1983 9.80651950114302 1984 9.7747878947799 1985 9.76087203520711 1986 9.80075872362281 1987 9.86915575546692 1988 9.90030565392594 1989 9.97561595272549 1990 10.1229197937163 1991 10.3073965328311 1992 10.520883052226 1993 10.7175530569615 1994 10.8048644034148 1995 10.74668169308 1996 10.5298527809205 1997 10.1609250626148 1998 9.717069736639 1999 9.33451965805503 2000 8.9952138603927 2001 8.58749578656946 2002 8.15476100195606 2003 7.73796859852798 2004 7.35996894952185 2005 7.05490476787701 2006 6.84618285481454 2007 6.73570663943796 2008 6.72512197378043 2009 6.81128174075255 2010 6.98171381709111 2011 7.25062753748774 2012 7.61570649491172 2013 8.0258550531934 2014 8.41553812621179 2015 8.73885772566388 2016 8.98077040408944 2017 9.14435846347781 2018 9.23327634605677 2019 9.29290721238531 2020 9.34807586510202 2021 9.38885356348484 2022 9.38536247781889 2023 9.34691741232122