Year % of female population 1960 43.9404080747487 1961 43.9927298953896 1962 44.0026856977118 1963 43.9388156795193 1964 43.7731825706349 1965 43.5627898397338 1966 43.3666233352495 1967 43.17138357298 1968 42.961445997685 1969 42.7274481478198 1970 42.9061258327375 1971 43.2175886404363 1972 43.1361741361341 1973 42.9099125499329 1974 42.5372754567198 1975 41.8119003288605 1976 41.0909499806914 1977 40.3816055725446 1978 39.5566982927363 1979 38.6873696941773 1980 38.4452145162059 1981 38.6140812792502 1982 38.5763159653646 1983 38.7029707668235 1984 39.0255523424963 1985 39.4335218121066 1986 39.7122066432755 1987 39.9580564402714 1988 40.3645323758759 1989 40.950206442994 1990 41.6349094032967 1991 42.4303103735331 1992 43.1047314210384 1993 43.5794165800807 1994 43.9446479307 1995 43.9680023715255 1996 43.622369562595 1997 43.0927091768493 1998 41.4831567880987 1999 39.7763608744322 2000 38.9011722998976 2001 38.0056808819516 2002 37.1122104255617 2003 36.223832998467 2004 35.3740280375481 2005 34.5630051222998 2006 33.7644774985374 2007 33.0096701931661 2008 32.2950663880934 2009 31.6533188862253 2010 31.137211308272 2011 30.7572284421132 2012 30.5483302884817 2013 30.3519681031278 2014 30.0914376658377 2015 29.8599434632868 2016 29.632628890049 2017 29.3877474709995 2018 29.1305440121953 2019 28.8601623994287 2020 28.5649949974844 2021 28.2543938546647 2022 27.9197616102045 2023 27.5456266567464