Year % of female population 1960 3.82254396848752 1961 3.79682267651812 1962 3.76914690898063 1963 3.74567515584293 1964 3.73567769663392 1965 3.73852218599684 1966 3.75600938028358 1967 3.79101559944788 1968 3.83017594188816 1969 3.85360256391165 1970 3.85741573740083 1971 3.84303741352922 1972 3.80755051264786 1973 3.76557697698206 1974 3.7398520504089 1975 3.7341352828547 1976 3.74519434525686 1977 3.77381777830599 1978 3.80982001476848 1979 3.83585251809001 1980 3.84546044128691 1981 3.84234937863439 1982 3.82681748871533 1983 3.79716807881517 1984 3.75689170902848 1985 3.71087082324033 1986 3.66153613930832 1987 3.61171901062378 1988 3.56169827089945 1989 3.51043219367316 1990 3.46043004638799 1991 3.4142362577083 1992 3.3735627380622 1993 3.34430504894349 1994 3.33362526319536 1995 3.34380976676175 1996 3.37265219383007 1997 3.41418369910092 1998 3.47416361857698 1999 3.59160172375492 2000 3.75348730777084 2001 3.91963100195344 2002 4.09355611161641 2003 4.26771738671533 2004 4.40333562446814 2005 4.50664070420357 2006 4.60992782649394 2007 4.70990150685183 2008 4.80276829228813 2009 4.88786308927336 2010 4.96648832141761 2011 5.03972562065456 2012 5.11102777620321 2013 5.18424052414975 2014 5.26207661598462 2015 5.34683365675692 2016 5.43389430299126 2017 5.51786384138485 2018 5.59818703726878 2019 5.67076545971234 2020 5.73243356901386 2021 5.78705734437385 2022 5.83749916710269 2023 5.88417620058262