Year % of female population 1960 11.1508556011944 1961 11.3223177503135 1962 11.451048951049 1963 11.5413819286257 1964 11.6348125783297 1965 11.7595892140632 1966 11.9249059942491 1967 12.1308951176639 1968 12.371660484868 1969 12.6253315649867 1970 12.8355589319746 1971 12.9920240314895 1972 13.0360634717102 1973 12.9566202778238 1974 12.8061718933093 1975 12.5770972339594 1976 12.2938050429036 1977 11.9688824077957 1978 11.6065303882563 1979 11.2129554253329 1980 10.79542639116 1981 10.3603130578737 1982 9.92340992340992 1983 9.50758462619068 1984 9.13256068872933 1985 8.81362609493207 1986 8.56845719771327 1987 8.37690859652793 1988 8.22360126204695 1989 8.12430031862414 1990 8.07542478752931 1991 8.06520172244913 1992 8.08120724147299 1993 8.10740419198809 1994 8.13955664809488 1995 8.17945269191608 1996 8.22263347360949 1997 8.26276064986568 1998 8.28978054563191 1999 8.29649268302239 2000 8.28469488026697 2001 8.27760636677834 2002 8.247694161175 2003 8.13980703716225 2004 7.96514049533818 2005 7.73160440724787 2006 7.48791372257345 2007 7.26313802154703 2008 7.01194694502969 2009 6.73148796666333 2010 6.46233489487124 2011 6.29225139365474 2012 6.28800963145074 2013 6.3993273829741 2014 6.54847627087782 2015 6.68583319642955 2016 6.76277479557061 2017 6.75852271186808 2018 6.49216551795348 2019 6.21620268375726 2020 6.05880952019012 2021 5.85906371990276 2022 5.71264922223562 2023 5.62746736449197