Year % of female population 1960 10.5853041741173 1961 10.6209306251881 1962 10.5995118432862 1963 10.3936478077151 1964 10.0215262805035 1965 9.69025363106462 1966 9.44390658341895 1967 9.25657675791518 1968 9.23303543275589 1969 9.35423132281704 1970 9.44513748232008 1971 9.48462883553543 1972 9.52851454486684 1973 9.5813573315267 1974 9.65920073291304 1975 9.74532231136139 1976 9.8120041330612 1977 9.85370331636803 1978 9.86142317951897 1979 9.8294390531199 1980 9.75630002490306 1981 9.65267310342733 1982 9.53174142515827 1983 9.40198352211225 1984 9.27209656289624 1985 9.20061438900281 1986 9.21967749769222 1987 9.30728439695216 1988 9.45500745549966 1989 9.64379095838462 1990 9.85625438679937 1991 10.0746120199827 1992 10.2819196208156 1993 10.4878470619444 1994 10.807420427386 1995 11.2437968271933 1996 11.6805963369638 1997 12.0761492843306 1998 12.3929299901987 1999 12.5969864682361 2000 12.6944241626449 2001 12.7133483186663 2002 12.6573474837675 2003 12.5442316343414 2004 12.4740739075685 2005 12.438177996521 2006 12.3334731851938 2007 12.1450593341728 2008 11.8701255304693 2009 11.4974358432855 2010 10.992134348214 2011 10.3167463373836 2012 9.50483974683095 2013 8.74688125866726 2014 8.20385727000749 2015 7.81463744817667 2016 7.51670982037351 2017 7.30085325899774 2018 7.11846748260051 2019 7.01214552219905 2020 7.05517893155402 2021 7.14699980610711 2022 7.2925903672317 2023 7.55302690816339