Year % of female population 1960 11.706062172100232 1961 11.926020532689542 1962 12.142513157671354 1963 12.325465533299353 1964 12.518968705773696 1965 12.744298994215383 1966 12.981097431732305 1967 13.216776704213483 1968 13.435250873163515 1969 13.646228203134275 1970 13.874414053978766 1971 14.107372989613513 1972 14.342919355827641 1973 14.58154249580018 1974 14.820335580446507 1975 15.053251336458144 1976 15.26961998211859 1977 15.501068193163725 1978 15.747269250671623 1979 15.971702341193039 1980 16.07565504835898 1981 16.00511984530808 1982 15.852758499170431 1983 15.679176649922757 1984 15.597053198201897 1985 15.736569459480808 1986 16.00533775369615 1987 16.27214494664819 1988 16.52773366563959 1989 16.76869877033694 1990 17.002251160282604 1991 17.22873247795082 1992 17.444295146745173 1993 17.652495220294547 1994 17.862510528969533 1995 18.09264417898181 1996 18.31369626717251 1997 18.502730387513456 1998 18.6737986827525 1999 18.852394016548196 2000 19.063369849274938 2001 19.29018769361264 2002 19.495329097865408 2003 19.66838702915968 2004 19.86817255430984 2005 20.105341870680554 2006 20.30545290483879 2007 20.42051945597504 2008 20.516207069029463 2009 20.64687011918301 2010 20.754224200398987 2011 20.905114359682063 2012 21.167688931574315 2013 21.469450886038192 2014 21.794516166571622 2015 22.089977745005015 2016 22.355769675790132 2017 22.61224104746819 2018 22.8649808956956 2019 23.131567791525384 2020 23.400774981232175 2021 23.670264019339626 2022 23.978571534758604 2023 24.337803399907077