Year % of female population 1960 41.4714670597655 1961 40.8051576815111 1962 40.1266318590575 1963 39.5282567135308 1964 39.0264020932289 1965 38.6025178924592 1966 38.2255623650054 1967 37.8503956464011 1968 37.4278891599259 1969 36.9120862063213 1970 36.2506766636982 1971 35.5004268130052 1972 34.7691594860375 1973 34.0897042031428 1974 33.462542227021 1975 32.8799683865409 1976 32.3625578231644 1977 31.8836494675662 1978 31.3958737952105 1979 30.9199491232684 1980 30.4401452968547 1981 29.9598098364239 1982 29.5283154831745 1983 29.1378450582957 1984 28.7567942652396 1985 28.3424021067597 1986 27.8752434441567 1987 27.3961001253952 1988 26.9384282862722 1989 26.4795471982741 1990 26.0377733266612 1991 25.6251106911842 1992 25.202658502059 1993 24.7937033752898 1994 24.3943222530354 1995 24.0069035061515 1996 23.673058593569 1997 23.3892017993235 1998 23.1305394198276 1999 22.8750665837619 2000 22.6098951627736 2001 22.3195065939235 2002 21.9911160522271 2003 21.6158139745665 2004 21.1842935294057 2005 20.7037054269996 2006 20.2017165465713 2007 19.7017014202948 2008 19.2146690308356 2009 18.7629918806605 2010 18.301623581296 2011 17.8027834849056 2012 17.2914395908443 2013 16.743432189807 2014 16.1524416515946 2015 15.5313752179784 2016 14.8981117087188 2017 14.2635920651192 2018 13.6942422115433 2019 13.2575134328755 2020 12.9235999414059 2021 12.6353975527381 2022 12.4187881106987 2023 12.2823784580009