Year % of female population 1960 4.469037486867171 1961 4.509479945812975 1962 4.533793756843341 1963 4.554639969737691 1964 4.582425219893797 1965 4.638504575725227 1966 4.692203990947653 1967 4.727413448456639 1968 4.774759159933995 1969 4.816336076519583 1970 4.843508811839438 1971 4.87684512117959 1972 4.9192858333741905 1973 4.952630039207069 1974 4.989527626456701 1975 5.02645617649427 1976 5.064676802301439 1977 5.1126359916516115 1978 5.148918868262788 1979 5.165365533354142 1980 5.158980499628944 1981 5.122350013373632 1982 5.063997661888667 1983 5.012488800243874 1984 4.976857865281485 1985 4.93817128601824 1986 4.9096473196615245 1987 4.901890036632237 1988 4.903527168394939 1989 4.912630710225582 1990 4.915401848705348 1991 4.927557077232339 1992 4.925017456134147 1993 4.91718689422258 1994 4.899498008875089 1995 4.873743578527636 1996 4.848216645818781 1997 4.813717741329031 1998 4.766595531245831 1999 4.710967519692854 2000 4.672428605761838 2001 4.6558182484852475 2002 4.657192477398575 2003 4.664141797482239 2004 4.664332006624451 2005 4.654979272204624 2006 4.636792495952485 2007 4.608409035324897 2008 4.564289200166512 2009 4.5201711736133605 2010 4.479387889839823 2011 4.4527074844698245 2012 4.444069622029902 2013 4.442451326730291 2014 4.451504183377984 2015 4.472574030318519 2016 4.497790071558564 2017 4.527404221739426 2018 4.5597560902118826 2019 4.595836059242075 2020 4.620316163899119 2021 4.62606657272491 2022 4.594060655624917 2023 4.651674673468523