Year % of female population 1960 12.9569413122148 1961 13.0401156303885 1962 13.1289472070636 1963 13.2279029977544 1964 13.3436325485946 1965 13.4581803528253 1966 13.5614220038908 1967 13.6496951026523 1968 13.7033248081841 1969 13.7327562354243 1970 13.7530486936881 1971 13.7647261860427 1972 13.7765920467186 1973 13.7899771262217 1974 13.8004127851844 1975 13.852117423546 1976 13.9250566346047 1977 13.9679631205055 1978 13.9673839152182 1979 13.89721491491 1980 13.7173219091864 1981 13.4383446988927 1982 13.1058930178123 1983 12.7480941442791 1984 12.4180571622779 1985 12.1095402284118 1986 11.8022138181453 1987 11.5078559164005 1988 11.221537831029 1989 10.9114718512576 1990 10.6488791563418 1991 10.4947189135408 1992 10.4072174843009 1993 10.3425380047442 1994 10.2653441312491 1995 10.2355438479834 1996 10.2603882552536 1997 10.2896251909294 1998 10.3012201017629 1999 10.2898150445419 2000 10.2127542656177 2001 10.0503233149756 2002 9.8754272726076 2003 9.7058064516129 2004 9.52976361455148 2005 9.38976328747948 2006 9.2461724515232 2007 9.04799944851525 2008 8.83521932104442 2009 8.63070735560011 2010 8.44190771016736 2011 8.27094771750225 2012 8.12509068181565 2013 8.0105348016882 2014 7.91684000631195 2015 7.81923850258261 2016 7.72626306928312 2017 7.67081587857477 2018 7.65852733859418 2019 7.64215128989943 2020 7.5728729791344 2021 7.45960418850341 2022 7.31535796370622 2023 7.15226125196808