Year % of female population 1960 7.50315236010659 1961 7.44792613455278 1962 7.46484700521215 1963 7.53800428681255 1964 7.48277777039377 1965 7.19682889332507 1966 6.95449774241952 1967 6.88807179852133 1968 6.88302579074171 1969 7.04662162124534 1970 7.50524248208703 1971 7.94655669903723 1972 8.16339876760995 1973 8.30574694009889 1974 8.39252454631382 1975 8.38186433420354 1976 8.32910705774857 1977 8.27496238819558 1978 8.17291845295908 1979 8.04934568548383 1980 7.93765890369165 1981 7.79624903546121 1982 7.62754544122988 1983 7.50882475083057 1984 7.45337848785371 1985 7.45124655261778 1986 7.48985218467791 1987 7.5285736117861 1988 7.5218223564718 1989 7.45153153188311 1990 7.32155526519132 1991 7.14907483332047 1992 6.99296387357889 1993 6.91017309444276 1994 6.90304578181519 1995 6.95207423804047 1996 7.03056183171128 1997 7.09634498307035 1998 7.15415100926097 1999 7.22056249733652 2000 7.27617286713067 2001 7.2857108452329 2002 7.23289271459883 2003 7.13254758108225 2004 6.99978446375562 2005 6.82803302256985 2006 6.64118450620963 2007 6.50712366420669 2008 6.41567316213965 2009 6.29391635659322 2010 6.1277109174467 2011 5.94394491146109 2012 5.70882345766584 2013 5.44345272368549 2014 5.24436541674406 2015 5.08499225175826 2016 4.93680999315257 2017 4.8461680246876 2018 4.78797526160591 2019 4.72725686947511 2020 4.70594816829186 2021 4.68514195574619 2022 4.62062577455858 2023 4.55633181597962