Year % of female population 1960 6.79015504272629 1961 6.7187966928977 1962 6.65862484921592 1963 6.6336541156685 1964 6.63230706632307 1965 6.58590982638737 1966 6.48618878156245 1967 6.37309321162781 1968 6.22732528007017 1969 6.10684074317278 1970 6.17260717377395 1971 6.45208972321791 1972 6.790078556881 1973 7.08607848753939 1974 7.32781398626035 1975 7.5038020185262 1976 7.62488154866658 1977 7.69613369586843 1978 7.72156837245595 1979 7.70923003347681 1980 7.74273729998446 1981 7.85697129818662 1982 8.01736613603473 1983 8.21528165086448 1984 8.42464281877753 1985 8.61730182532706 1986 8.79271297379359 1987 8.97067280046003 1988 9.12864984547258 1989 9.25617633348872 1990 9.35332144928159 1991 9.35745999832454 1992 9.26847245255206 1993 9.13276745675849 1994 8.92164924233525 1995 8.6522621920852 1996 8.37693389592124 1997 8.10746246715301 1998 7.85805730359365 1999 7.63618332506906 2000 7.45135097298054 2001 7.32124469886036 2002 7.22887354714672 2003 7.15262438203429 2004 7.07769794308256 2005 7.00141693234148 2006 6.89618285225267 2007 6.73802169384383 2008 6.53370013755158 2009 6.29241771874772 2010 6.07598661223289 2011 5.93287943157153 2012 5.8906214858685 2013 5.97682841268938 2014 6.21889113096954 2015 6.64871824885871 2016 7.24968264043161 2017 7.95355880868248 2018 8.64759160148209 2019 9.19027999663668 2020 9.47633066162408 2021 9.45880594390223 2022 9.02252282417018 2023 8.29078476798849