Year % of female population 1960 12.5564186045661 1961 12.8657308494122 1962 13.2134575253683 1963 13.5808703123393 1964 13.9611498982923 1965 14.3337848787941 1966 14.6686143526734 1967 14.9308916672325 1968 15.0908333796537 1969 15.1290688426683 1970 15.0414547034682 1971 14.8414732856859 1972 14.5594063495114 1973 14.2334907014944 1974 13.9022069391991 1975 13.6015321942549 1976 13.3563029100278 1977 13.1636385174655 1978 13.0189837447869 1979 12.9220254470123 1980 12.8718509274003 1981 12.8559958548652 1982 12.8446674025857 1983 12.8094714524078 1984 12.7524762315933 1985 12.6887102885747 1986 12.626417479298 1987 12.6108958231213 1988 12.6745191382505 1989 12.7902030328059 1990 12.9660998444986 1991 13.2023577351037 1992 13.4224417388454 1993 13.5655544400471 1994 13.6357055800131 1995 13.5879652082811 1996 13.4299327543985 1997 13.2257746621484 1998 12.9852736578787 1999 12.6854727785108 2000 12.3457676402756 2001 11.9948702098469 2002 11.6049999507111 2003 11.1864542301427 2004 10.7706429412948 2005 10.383017959972 2006 10.0297937336986 2007 9.70469644475294 2008 9.42656601620834 2009 9.21348704294727 2010 9.06791623708465 2011 9.00319534279157 2012 9.02333701261247 2013 9.11237873519782 2014 9.26086235665956 2015 9.46570527106746 2016 9.71429419755194 2017 9.99148282053541 2018 10.264352621723 2019 10.4924781749884 2020 10.6407275317691 2021 10.6878308366344 2022 10.6323255090818 2023 10.4887074096704