Year % of female population 1960 2.81873164640102 1961 2.84438537066085 1962 2.87009312502126 1963 2.87567837545644 1964 2.86236017107203 1965 2.83986517340606 1966 2.80559990736718 1967 2.76173849241533 1968 2.71278888579506 1969 2.66625587586923 1970 2.64302516284707 1971 2.64029675433647 1972 2.64329958331911 1973 2.66111395948534 1974 2.67832661569233 1975 2.68166904058038 1976 2.69893872602869 1977 2.74173589930491 1978 2.79997411237167 1979 2.86193914450616 1980 2.93100364495362 1981 3.01073698557739 1982 3.08374402134485 1983 3.15418992556719 1984 3.225637738081 1985 3.27320098484775 1986 3.28763779005482 1987 3.2723809797511 1988 3.22489495663204 1989 3.17718889885531 1990 3.18685408138688 1991 3.25416963481476 1992 3.33765373420081 1993 3.43082375546122 1994 3.51567180204995 1995 3.55231239309063 1996 3.54841790863496 1997 3.53221225936784 1998 3.51594208037623 1999 3.49486101576185 2000 3.46281700575984 2001 3.41928855431716 2002 3.35814749803954 2003 3.28698208840515 2004 3.22381063068544 2005 3.17763466328658 2006 3.15908670274057 2007 3.16887560246686 2008 3.19167392911628 2009 3.22321006874193 2010 3.26222463819591 2011 3.30886095044592 2012 3.36614313042264 2013 3.43575234544448 2014 3.52370657247265 2015 3.62263676038297 2016 3.75135173276141 2017 3.92782129344796 2018 4.09561553105788 2019 4.21810465297637 2020 4.32754348955756 2021 4.40631652870773 2022 4.43098943548008 2023 4.45507034798123