Year % of female population 1960 9.809829251910143 1961 9.983051030123393 1962 10.141256496390792 1963 10.289732535202296 1964 10.464568955659324 1965 10.690652788841007 1966 10.932014361086184 1967 11.161195118702057 1968 11.389079380451017 1969 11.605497082224783 1970 11.816335791569582 1971 12.040408878545287 1972 12.27950285223518 1973 12.510197330083965 1974 12.748222722157625 1975 12.987958578168058 1976 13.21270926841762 1977 13.451789745110881 1978 13.69228501543055 1979 13.895282023230894 1980 13.984860601287139 1981 13.91573005395469 1982 13.758858232251042 1983 13.600005379207412 1984 13.517161358732535 1985 13.536958692378716 1986 13.627245683439279 1987 13.750323053597034 1988 13.90205076901378 1989 14.087599302462063 1990 14.293200244110436 1991 14.505913827219741 1992 14.722175340079366 1993 14.940258597176058 1994 15.144320960864533 1995 15.335253204693986 1996 15.492546076491116 1997 15.61449467080526 1998 15.704738390407762 1999 15.773315341582235 2000 15.880431409417836 2001 16.039393889630876 2002 16.239635602556074 2003 16.452127679467626 2004 16.66691055936785 2005 16.867087852368332 2006 17.01425668246385 2007 17.068738053895675 2008 17.030596274208282 2009 16.98301399769801 2010 16.941169750223025 2011 16.98580070684833 2012 17.165803182539417 2013 17.385884799623582 2014 17.6478275705413 2015 17.914350983997085 2016 18.161910635457847 2017 18.41157308173679 2018 18.676222049823703 2019 18.96808827048751 2020 19.256963002698924 2021 19.49926852562562 2022 19.741610965620776 2023 20.080818143210415