Year % of female population 1960 5.40414952071167 1961 5.29560465465591 1962 5.18659207429192 1963 5.079935317928 1964 4.97983354956004 1965 4.88887458852779 1966 4.80711280000658 1967 4.73370587571636 1968 4.66848123165007 1969 4.61156072935237 1970 4.56291524876162 1971 4.5221736256342 1972 4.48846164741799 1973 4.46110770562876 1974 4.44011015816187 1975 4.42432059750942 1976 4.41399748012931 1977 4.40912032707748 1978 4.40512081632609 1979 4.39643617328804 1980 4.38247281630052 1981 4.36319640729713 1982 4.33909351538244 1983 4.31318833951617 1984 4.28922407636593 1985 4.27043070105422 1986 4.25541819393484 1987 4.2432979126463 1988 4.23673275711997 1989 4.23917263266768 1990 4.25085977402159 1991 4.27264988097691 1992 4.30441680752166 1993 4.46472064702055 1994 4.73000752355938 1995 4.95919860863859 1996 5.15270721149262 1997 5.31493650161238 1998 5.44922353983561 1999 5.55601941178511 2000 5.64051768125075 2001 5.63645438234285 2002 5.55902416989237 2003 5.49143179470872 2004 5.43359893154568 2005 5.38686367865863 2006 5.35045839818271 2007 5.32443968642945 2008 5.31160006430163 2009 5.31335406766904 2010 5.32790788141005 2011 5.35250468316783 2012 5.3816736721262 2013 5.4047909556234 2014 5.42036799427393 2015 5.43932234499028 2016 5.46640051420741 2017 5.49949982407242 2018 5.53873884701814 2019 5.58561720440088 2020 5.60038452954982 2021 5.56573117917928 2022 5.53337204162226 2023 5.57863643072469