Year % of female population 1960 16.7746542532036 1961 16.9741809671242 1962 17.226075851078 1963 17.4517751609326 1964 17.601988571469 1965 17.7170913169645 1966 17.785973787099 1967 17.8584627082266 1968 17.9761110761699 1969 18.0991356826771 1970 18.2228350391753 1971 18.3391239767944 1972 18.4049493170591 1973 18.4150580190481 1974 18.3667422045328 1975 18.283404792349 1976 18.2745430012952 1977 18.3357225586481 1978 18.4155557332389 1979 18.5102966020095 1980 18.5973693618035 1981 18.6521274318542 1982 18.6790385675194 1983 18.5503223166547 1984 18.3071560758013 1985 18.1720670520964 1986 18.1490769906117 1987 18.3339213092922 1988 18.6959561069074 1989 19.0128767819974 1990 19.232692191182 1991 19.3818189903862 1992 19.4209379081292 1993 19.3847243959499 1994 19.3534736248337 1995 19.2977471281768 1996 19.2051233350855 1997 19.1176056915973 1998 19.0219819492495 1999 18.8965677421429 2000 18.7561870809949 2001 18.5990609288887 2002 18.4336352022917 2003 18.2541997017948 2004 18.0542451608383 2005 17.8509956753934 2006 17.6339765875617 2007 17.3907836622737 2008 17.1390591922993 2009 16.859967996182 2010 16.5486553090423 2011 16.2317641715185 2012 15.9029249024665 2013 15.5684605931608 2014 15.2726458129889 2015 15.0353808537391 2016 14.8428762788657 2017 14.7001928751114 2018 14.6232124330423 2019 14.5992765797246 2020 14.5816335313204 2021 14.5402231529823 2022 14.475111987224 2023 14.3777487797778