Year % of female population 1960 3.946651047967708 1961 3.912288644580574 1962 3.8679671582999826 1963 3.8218788661355108 1964 3.785630316721911 1965 3.765763352607026 1966 3.7646683254011486 1967 3.783001162548945 1968 3.816165871908572 1969 3.855782804379733 1970 3.8947518947885293 1971 3.9297198427965125 1972 3.960244535134911 1973 3.985519859365795 1974 4.002353547355798 1975 4.010168034126144 1976 4.009610750930684 1977 4.000532740643285 1978 3.9844586576560457 1979 3.9650647605252862 1980 3.9467953166214134 1981 3.932825314240756 1982 3.923337521865979 1983 3.9196004888239315 1984 3.924524409119473 1985 3.935860877617997 1986 3.950213412971877 1987 3.967345278395153 1988 3.9875859511552485 1989 4.012123461595256 1990 4.044861877384251 1991 4.090977712287213 1992 4.153032560667332 1993 4.230108025940864 1994 4.324813012286971 1995 4.433628322331737 1996 4.543800525556176 1997 4.649024155975601 1998 4.750148652210491 1999 4.843676492517131 2000 4.931529750621353 2001 5.022172379513182 2002 5.116843568166762 2003 5.214378239588346 2004 5.313242246093636 2005 5.411749005948289 2006 5.508961775998356 2007 5.604326922295733 2008 5.696144009942089 2009 5.779655202148561 2010 5.848863119640655 2011 5.899677864236106 2012 5.9336930012282085 2013 5.954905488482649 2014 5.969433482211212 2015 5.986324368380046 2016 6.011916383569552 2017 6.047067737176987 2018 6.0904277101918405 2019 6.137834826432726 2020 6.187227872958123 2021 6.241393712025073 2022 6.300083910321167 2023 6.361705262231461