Year % of female population 1960 19.5338440882759 1961 19.6615377533288 1962 19.7575475186988 1963 19.7817222142339 1964 19.7233622971094 1965 19.6300874596645 1966 19.5560402170877 1967 19.5119523707645 1968 19.5049155458589 1969 19.4837675852609 1970 19.436895506624 1971 19.406384518685 1972 19.3558655988434 1973 19.2488691180059 1974 19.1108379323532 1975 18.9632824257391 1976 18.8049504437214 1977 18.6618089839124 1978 18.5577160806456 1979 18.5127302828382 1980 18.5492485191692 1981 18.6250603895953 1982 18.7139671036266 1983 18.8538075852087 1984 19.0186365748907 1985 19.1517682497116 1986 19.2658201498751 1987 19.388064756954 1988 19.5105180141813 1989 19.5905782753583 1990 19.6266766635634 1991 19.6238950930907 1992 19.5589997631091 1993 19.4187636833521 1994 19.1943439973113 1995 18.8769332586965 1996 18.4620983163905 1997 17.964592959154 1998 17.376205335639 1999 16.7350725534797 2000 16.1208410479114 2001 15.5042698739593 2002 14.8753301860893 2003 14.331655973632 2004 13.8732414656783 2005 13.4600913677614 2006 13.1330983017412 2007 12.9179718510432 2008 12.8297518219883 2009 12.8311340849885 2010 12.8685073349644 2011 12.9489935457212 2012 13.0854733957647 2013 13.2675166826088 2014 13.4295104443907 2015 13.565309718771 2016 13.7264956784643 2017 13.8905592872518 2018 13.9974836092151 2019 14.0690312716195 2020 14.0943308541074 2021 14.0638777796666 2022 13.9999082875317 2023 13.8883279174087