Year % of female population 1960 7.79172339372461 1961 7.95270157019052 1962 8.13824054682141 1963 8.33435819128665 1964 8.55692778315928 1965 8.7997194244259 1966 9.05616215418135 1967 9.30789326880846 1968 9.52891122624155 1969 9.72093942289969 1970 9.88826328734109 1971 10.0480384384971 1972 10.2257993496184 1973 10.4062214514253 1974 10.5841442832302 1975 10.7899813265171 1976 11.0087431268593 1977 11.2864773037202 1978 11.5783658453155 1979 11.8101368051472 1980 11.9331220279668 1981 11.8939930995205 1982 11.6827700312508 1983 11.3503379795989 1984 11.2340751583758 1985 11.3461303873508 1986 11.4966192190601 1987 11.6821002497812 1988 11.8437502782106 1989 11.9981976147595 1990 12.1800128977531 1991 12.3797360051088 1992 12.6348520516438 1993 12.9595568183946 1994 13.2925051962574 1995 13.6405758310515 1996 13.979082931391 1997 14.3052901892561 1998 14.6247324546519 1999 14.9260786331029 2000 15.2407954094542 2001 15.5941489797467 2002 15.9823052055947 2003 16.3591559656971 2004 16.6967700311847 2005 16.9560094848498 2006 17.1694401233639 2007 17.3812012434591 2008 17.6052167957788 2009 17.8911953252876 2010 18.1798461719626 2011 18.4065912465604 2012 18.5804168967698 2013 18.7810375699876 2014 19.1279377162633 2015 19.5588073659922 2016 19.9867471514481 2017 20.4372741894593 2018 20.9119380251519 2019 21.3824070532449 2020 21.8332289943009 2021 22.1708634492405 2022 21.8953312546353 2023 21.7072922445532