Year % of female population 1960 6.69100933404266 1961 6.72432637931854 1962 6.68957670606265 1963 6.65849116591725 1964 6.6696289713397 1965 6.71520156470716 1966 6.77118788291355 1967 6.84154555122297 1968 6.96162417452107 1969 7.14328699524583 1970 7.37373538170272 1971 7.61676506693167 1972 7.82618785171434 1973 8.00745236631838 1974 8.17257236628695 1975 8.35419511455014 1976 8.58716357669603 1977 8.84003829619478 1978 9.08410935337896 1979 9.31854199683043 1980 9.52858389498505 1981 9.68562267349722 1982 9.79686529538563 1983 9.88009852930522 1984 9.95456422965717 1985 10.0090878312158 1986 10.0610241443354 1987 10.1458944152812 1988 10.2468942205495 1989 10.3425616905013 1990 10.4056861297578 1991 10.4920824110335 1992 10.6176922168419 1993 10.7415339312006 1994 10.8867150520669 1995 11.0356088469595 1996 11.1922459805495 1997 11.3970528504817 1998 11.6568572119648 1999 11.9338006978456 2000 12.1830314585319 2001 12.4410293630382 2002 12.7310641100014 2003 13.0175022618788 2004 13.3012272797887 2005 13.5630475836661 2006 13.7374517374517 2007 13.9201085364538 2008 14.2241710900838 2009 14.5484435977015 2010 14.9509051856398 2011 15.490799895819 2012 16.0875357968728 2013 16.7392037269746 2014 17.3212502879963 2015 17.8301145208773 2016 18.4334710998705 2017 19.1348264587139 2018 19.8113783420828 2019 20.4837020055567 2020 21.2332285748822 2021 22.0197155542178 2022 22.8552097428958 2023 23.7675048938413