Year % of female population 1960 12.2909292343102 1961 12.357411711863 1962 12.416950501735 1963 12.4414555013548 1964 12.460779607686 1965 12.5108075245029 1966 12.5741300647625 1967 12.6382794244158 1968 12.7042890340108 1969 12.7710220415132 1970 12.8400055744272 1971 12.8991831660694 1972 12.9506706867232 1973 13.004923023531 1974 13.0554232654262 1975 13.100156516146 1976 13.1312779313231 1977 13.126654406557 1978 13.0797728402926 1979 13.0111653536859 1980 12.9423221581669 1981 12.9087039652193 1982 12.9302668689136 1983 12.975390706531 1984 13.0117008945511 1985 13.0308096010749 1986 13.0127012611279 1987 12.9205508854124 1988 12.7481674339708 1989 12.5268740061737 1990 12.2721246349982 1991 12.0132040499136 1992 11.7939162459937 1993 11.6125229465636 1994 11.4497981980493 1995 11.3064993397243 1996 11.1770157162169 1997 11.0495160879746 1998 10.9296610296487 1999 10.8276045632303 2000 10.7424328415475 2001 10.666048146026 2002 10.5928813401411 2003 10.519877278789 2004 10.4330641609698 2005 10.3133789063906 2006 10.1570964398442 2007 9.97989567728117 2008 9.80651026090096 2009 9.64845951625959 2010 9.52260143259599 2011 9.42967156404891 2012 9.34188280283193 2013 9.24068463128391 2014 9.11759295008917 2015 8.96878139848091 2016 8.81584704913223 2017 8.67552603947903 2018 8.54481012699803 2019 8.4414098689222 2020 8.36901385116782 2021 8.30910030756758 2022 8.23863619398874 2023 8.15218448298392