Year % of female population 1960 8.425135303905067 1961 8.468913164129201 1962 8.556269492093358 1963 8.69585980390569 1964 8.918186577346386 1965 9.227649711138383 1966 9.54098835195428 1967 9.876105944870636 1968 10.18898234164665 1969 10.406409341364482 1970 10.5538779129043 1971 10.604048618323608 1972 10.596562855802437 1973 10.502412034513112 1974 10.227538439039115 1975 9.836326285743363 1976 9.46597470591884 1977 9.334748046327421 1978 9.656578190969372 1979 10.208993819562549 1980 10.752226240247486 1981 11.274838807227454 1982 11.491209059938006 1983 11.38045228368464 1984 11.279419348615384 1985 11.241493486258307 1986 11.18741314097253 1987 11.115518789674129 1988 10.95081031170252 1989 10.664417567598623 1990 10.289711410785985 1991 9.878067214041035 1992 9.493627985788516 1993 9.134552993575465 1994 8.87531146777331 1995 8.762129570424873 1996 8.764025846538713 1997 8.877574373443567 1998 9.001326923887573 1999 9.063450086146945 2000 9.121577399810597 2001 9.188980456789842 2002 9.249181420906162 2003 9.313737613489684 2004 9.38556066992396 2005 9.43487601885509 2006 9.341957812393183 2007 9.056083488017547 2008 8.717519793177162 2009 8.360952634421315 2010 7.958779954777867 2011 7.6160443637173545 2012 7.374494808260511 2013 7.164368696225711 2014 6.9756704185226885 2015 6.823537407532408 2016 6.692482986767505 2017 6.567263502021138 2018 6.46600824672399 2019 6.39748875332138 2020 6.350544687395181 2021 6.3342736900024255 2022 6.356358328052978 2023 6.4076620937646025