Year % of female population 1960 13.0998923997474 1961 13.0916826156801 1962 13.0906959392128 1963 13.0845358296155 1964 13.0699799861121 1965 13.0443821017078 1966 13.0029872937524 1967 12.9452713098746 1968 12.8799476333096 1969 12.8070095297759 1970 12.7146317825018 1971 12.5874804246172 1972 12.4376098385396 1973 12.2784422764458 1974 12.1028951827908 1975 11.908885751594 1976 11.7100667655471 1977 11.5086218890154 1978 11.2947639656517 1979 11.0789917264804 1980 10.8759847052745 1981 10.6897261236382 1982 10.5193656289985 1983 10.3673995388183 1984 10.2283545801617 1985 10.0946895068481 1986 9.96869664381338 1987 9.8486838253916 1988 9.73741538137341 1989 9.64814673212419 1990 9.58413905732381 1991 9.53989882516701 1992 9.5157934271162 1993 9.50610879259267 1994 9.50048667915718 1995 9.49428696325016 1996 9.47858586387737 1997 9.42325832251887 1998 9.32017333087109 1999 9.18026576997374 2000 8.99360615151739 2001 8.76334855804693 2002 8.5172190559426 2003 8.26761145686704 2004 8.00607212094203 2005 7.74395676125551 2006 7.50238960766192 2007 7.29094050654362 2008 7.09361135539269 2009 6.90338756376517 2010 6.73683641581407 2011 6.59702695466251 2012 6.49033235119918 2013 6.43697187790492 2014 6.43453595299453 2015 6.45523810285361 2016 6.46392765013 2017 6.43311789778445 2018 6.3667878766905 2019 6.28418894969242 2020 6.2073176728676 2021 6.12852933894049 2022 6.0385079200067 2023 5.94007190408689