Year % of female population 1960 10.0075214117609 1961 10.4439606965969 1962 10.6942316501082 1963 10.841175884716 1964 10.9288836161423 1965 10.9760271680622 1966 10.9844836102337 1967 10.9476772176441 1968 10.8578678225838 1969 10.7132425208278 1970 10.52718772529 1971 10.3391218991115 1972 10.1932955360192 1973 10.0921413247021 1974 10.0104440017202 1975 9.92335878765323 1976 9.80159721564134 1977 9.62363379699883 1978 9.39186435289084 1979 9.12606976896175 1980 8.85289122281567 1981 8.62815884476534 1982 8.49488937235745 1983 8.43883652148009 1984 8.42744730297223 1985 8.43649970036687 1986 8.44918091622922 1987 8.44785843555198 1988 8.42114019077296 1989 8.37204791386443 1990 8.30506626895289 1991 8.22749645292116 1992 8.1704865425077 1993 8.14917277340441 1994 8.14711409895094 1995 8.14116839783821 1996 8.10856645108574 1997 8.04079484709626 1998 7.92802258741409 1999 7.78328964090348 2000 7.62545788810573 2001 7.4621965793216 2002 7.27686246363409 2003 7.08075753416464 2004 6.92735888117036 2005 6.8391461422227 2006 6.79156584860007 2007 6.7296014727545 2008 6.65553607959757 2009 6.56731069013098 2010 6.45319740500463 2011 6.35264052937128 2012 6.27991785156894 2013 6.20169117443353 2014 6.10538234212725 2015 5.9729544597434 2016 5.81165783824021 2017 5.6972094954006 2018 5.66635241024373 2019 5.70998690455183 2020 5.81502456331878 2021 5.88140291484521 2022 5.86976488304762 2023 5.83063626876605