Year % of female population 1960 12.7851378886739 1961 12.7494761182166 1962 12.7059007136473 1963 12.6560384758604 1964 12.6045487894351 1965 12.5530876087669 1966 12.5054038121438 1967 12.4685473608631 1968 12.450121715562 1969 12.4734202483463 1970 12.5400208466218 1971 12.6276351630732 1972 12.7278938531102 1973 12.8432369606276 1974 12.9673589499599 1975 13.086804555252 1976 13.2024210009744 1977 13.2967810910772 1978 13.3571865288536 1979 13.401210491883 1980 13.4290704444013 1981 13.4385122342215 1982 13.4412623724731 1983 13.2452703785154 1984 12.9080749532982 1985 12.6731217379331 1986 12.5452564324806 1987 12.5000890099952 1988 12.5050784477525 1989 12.6076979884653 1990 12.8387666616538 1991 13.1465724081459 1992 13.4900368756682 1993 13.8321457449918 1994 14.1051640405883 1995 14.2572484285633 1996 14.3045352717728 1997 14.2825805493935 1998 14.2226034536812 1999 14.1458442389791 2000 14.1012413443426 2001 14.0466803165417 2002 13.9052674947149 2003 13.6751871050975 2004 13.3606539043647 2005 12.9996508417336 2006 12.602895810642 2007 12.1893718666802 2008 11.8356998607024 2009 11.623912527405 2010 11.6441880051982 2011 12.0242869498744 2012 12.6699177963771 2013 13.353616680249 2014 13.9725956036407 2015 14.4422788076535 2016 14.5871634595743 2017 14.4520998334161 2018 14.2287860624047 2019 13.9496094847907 2020 13.6790859374169 2021 13.5312262309029 2022 13.4601587266469 2023 13.356206203675