Year % of female population 1960 4.85819062678734 1961 4.8194366290424 1962 4.81543001822316 1963 4.80149918898915 1964 4.76219822207158 1965 4.69336954062005 1966 4.58578789623658 1967 4.42844362356065 1968 4.22856499148091 1969 3.99017212507206 1970 3.81548670198534 1971 3.78671191750424 1972 3.82884318700514 1973 3.87436641468548 1974 3.90742812667218 1975 3.91833343225117 1976 3.89947004235033 1977 3.85997724123168 1978 3.80968042536863 1979 3.76718176385213 1980 3.75418808399059 1981 3.77410272308677 1982 3.73036258288035 1983 3.61146919801555 1984 3.50425468781408 1985 3.42146918055204 1986 3.36131376838791 1987 3.32398592530409 1988 3.31329755308322 1989 3.32223097980389 1990 3.34561739820201 1991 3.37125830702271 1992 3.40187182063433 1993 3.45341152378293 1994 3.52051030272583 1995 3.58715562035064 1996 3.64574528294953 1997 3.70493605694115 1998 3.77150104744125 1999 3.86104455483807 2000 3.98160734596499 2001 4.10802042082161 2002 4.21704786685388 2003 4.29875260279837 2004 4.33954744719479 2005 4.33417046667613 2006 4.28673766080534 2007 4.22148865184907 2008 4.16783730010837 2009 4.14314199937268 2010 4.1618965715569 2011 4.21923274974253 2012 4.27831096067528 2013 4.3261179840991 2014 4.38004913905544 2015 4.45769435080699 2016 4.57570877860733 2017 4.7258380370925 2018 4.8858149796385 2019 5.04112546056794 2020 5.17308280493205 2021 5.27808089300728 2022 5.3679615696769 2023 5.4346283369676