Year % of female population 1960 5.16370721770081 1961 4.84915172046849 1962 4.41941311001998 1963 3.96956221048338 1964 3.63983387796655 1965 3.48415869525096 1966 3.47176835113704 1967 3.58830187021402 1968 3.80577151944014 1969 4.07030811298499 1970 4.33578278627311 1971 4.62357669923191 1972 4.94597261002854 1973 5.24799890909925 1974 5.4516792457352 1975 5.54344119886823 1976 5.51438006700559 1977 5.33987642589547 1978 5.0952381607229 1979 4.91817174189208 1980 4.84224296678647 1981 4.86133820936758 1982 4.99975520894956 1983 5.17317171123445 1984 5.17368538496339 1985 5.00434767987625 1986 4.76128681568793 1987 4.34995894326876 1988 3.76143923964698 1989 3.13435190849871 1990 2.60465888735552 1991 2.29183117564818 1992 2.24881853716109 1993 2.41895763558882 1994 2.7798320221181 1995 3.22549398843009 1996 3.59130240634147 1997 3.84984378672163 1998 4.05237492166945 1999 4.22925070123678 2000 4.38065787895974 2001 4.5305002729217 2002 4.70642668871927 2003 4.91811909589847 2004 5.15779973399202 2005 5.40352167585037 2006 5.63208002881574 2007 5.80318762901893 2008 5.88864297615199 2009 5.88633350544201 2010 5.79425052206441 2011 5.62787997315315 2012 5.42644741858382 2013 5.22317927423939 2014 5.03063558879887 2015 4.86719229422984 2016 4.77515810310515 2017 4.76101960009443 2018 4.77588420002468 2019 4.79423315649179 2020 4.82160638964191 2021 4.8437309995172 2022 4.82523123371809 2023 4.78731160681112