Year % of female population 1960 0.457958693128044 1961 0.445092204885185 1962 0.439294995390509 1963 0.432390555419627 1964 0.422052358962591 1965 0.412931384360684 1966 0.407575072054017 1967 0.406845627961107 1968 0.409640168928185 1969 0.412655654771755 1970 0.413857213068128 1971 0.415576229001356 1972 0.423544090735821 1973 0.438941015193688 1974 0.457982123313615 1975 0.478755943324734 1976 0.499727556646912 1977 0.521300799450307 1978 0.544928344710193 1979 0.568509137265276 1980 0.595717456512003 1981 0.629121936707466 1982 0.664536315689124 1983 0.702808308303271 1984 0.74188429972448 1985 0.778160535090879 1986 0.811097221114373 1987 0.838288323407447 1988 0.86498185337903 1989 0.894346027343996 1990 0.918423255728078 1991 0.934027510990754 1992 0.950936727139661 1993 0.980179537060566 1994 1.01920921127526 1995 1.05986826588547 1996 1.099865212634 1997 1.13954375157426 1998 1.18045768683288 1999 1.22303272598376 2000 1.2718695163341 2001 1.33122121005588 2002 1.39525299512964 2003 1.46272062266444 2004 1.54023404410496 2005 1.62194966423161 2006 1.69398519305453 2007 1.7632160589364 2008 1.84154759928082 2009 1.92070034127455 2010 2.00027425898527 2011 2.07743433033467 2012 2.15392266010903 2013 2.24350195296742 2014 2.3383472152448 2015 2.4316941035275 2016 2.52029626624792 2017 2.59825208032549 2018 2.67246923314087 2019 2.74172742293536 2020 2.81621381224589 2021 2.90503520084712 2022 2.99483074166268 2023 3.08109489553847