Year % of female population 1960 2.56774069874658 1961 2.59788386990633 1962 2.68531417703425 1963 2.82144632448299 1964 2.98306174112556 1965 3.13898282976124 1966 3.2615111993356 1967 3.33348466535281 1968 3.34961390988967 1969 3.32006911128745 1970 3.28419374424635 1971 3.27562267900636 1972 3.29417988686187 1973 3.33519112609429 1974 3.39269392358513 1975 3.47002387762201 1976 3.55782671804134 1977 3.6445420370082 1978 3.72360780919961 1979 3.76749272145912 1980 3.78813550339849 1981 3.81097456294951 1982 3.85229210894182 1983 3.88496056726285 1984 3.87464029512945 1985 3.8851943795769 1986 3.94735241662082 1987 3.98568755557924 1988 4.00582493418008 1989 4.06689984818078 1990 4.12529312481242 1991 4.15367483899341 1992 4.20365584248456 1993 4.28665172604541 1994 4.41799619890536 1995 4.55041764124988 1996 4.63738838583854 1997 4.74284446371101 1998 4.85932917012432 1999 4.95831299532749 2000 5.12576183985427 2001 5.3783173987519 2002 5.63361009731595 2003 5.84703154385903 2004 6.02450299004278 2005 6.14015745004961 2006 6.16015046673303 2007 6.15028194033621 2008 6.17108959583246 2009 6.22223272460334 2010 6.2984700739484 2011 6.40726861190526 2012 6.52733818227551 2013 6.6460681092898 2014 6.77705107415683 2015 6.91241506360322 2016 7.03462140857089 2017 7.16102795529216 2018 7.26085037162058 2019 7.30885827919482 2020 7.31724509020448 2021 7.27889443945653 2022 7.17132227665366 2023 6.99827906417046