Year % of female population 1960 1.28171306348904 1961 1.26617109698409 1962 1.25348527094193 1963 1.26122490162446 1964 1.29098327608173 1965 1.33115771237485 1966 1.39190865020695 1967 1.47480161604455 1968 1.54474324677676 1969 1.59733362280733 1970 1.63226135455608 1971 1.64567354867133 1972 1.64570799355281 1973 1.64362336114422 1974 1.654020523938 1975 1.67667076283203 1976 1.70368772913522 1977 1.73143952256609 1978 1.76358621761255 1979 1.81675481735795 1980 1.90270694389957 1981 2.01168221617838 1982 2.13211418478323 1983 2.26334017930899 1984 2.39007900276925 1985 2.4846751431009 1986 2.56168191388133 1987 2.6404477589634 1988 2.71854652853914 1989 2.80666867754777 1990 2.88489088169082 1991 2.92709559765713 1992 2.94927600604069 1993 2.98239336606527 1994 3.03231974114792 1995 3.07904984709256 1996 3.12719503629127 1997 3.17946508758223 1998 3.22183355196036 1999 3.24752763234438 2000 3.24716793544126 2001 3.21697294168716 2002 3.18483494243602 2003 3.16866186957504 2004 3.15539959232194 2005 3.14364126300222 2006 3.15362039728253 2007 3.19319555723184 2008 3.23295821289254 2009 3.26993648676487 2010 3.29575866833253 2011 3.29125792169459 2012 3.29735068355483 2013 3.31035580012659 2014 3.31367729105673 2015 3.34382226940137 2016 3.39573820919454 2017 3.45569163646358 2018 3.49051814040288 2019 3.49383722603232 2020 3.50733759792016 2021 3.53019143790225 2022 3.57078276771488 2023 3.65890648590251