Year % of female population 1960 5.93886144202343 1961 5.93693455221972 1962 5.9460729670583 1963 5.96229811526957 1964 5.97681450133496 1965 5.98902665207308 1966 5.99939900541967 1967 6.00538729503047 1968 6.01331455127389 1969 6.03516643801233 1970 6.07115787839529 1971 6.11454714103794 1972 6.16530138475074 1973 6.22019152833847 1974 6.2673988207552 1975 6.29495514701147 1976 6.29415040556206 1977 6.25008614135783 1978 6.14252478048001 1979 5.9317341891104 1980 5.72364819312443 1981 5.59190579132724 1982 5.49264660539543 1983 5.44824978626108 1984 5.49547043710847 1985 5.55261786226589 1986 5.5692069650522 1987 5.59636156573848 1988 5.63154819063535 1989 5.67560074594151 1990 5.72702987910594 1991 5.78821437638151 1992 5.85571253174351 1993 6.02412740097011 1994 6.13224094799254 1995 6.11174816262984 1996 6.11608762191991 1997 6.12807757561339 1998 6.1410345379811 1999 6.15053121288927 2000 6.15715039362538 2001 6.16446749938622 2002 6.17419474182254 2003 6.18175607557184 2004 6.18505833536562 2005 6.20279224464322 2006 6.21092550394702 2007 6.20266087563701 2008 6.20463302937943 2009 6.22007002193412 2010 6.25614917308263 2011 6.30934393116386 2012 6.36761193430574 2013 6.42114802490204 2014 6.4653995748716 2015 6.49372611821007 2016 6.50573095925638 2017 6.51001893705125 2018 6.51434553952318 2019 6.51444638181887 2020 6.51256180941891 2021 6.51519981551317 2022 6.51781350204372 2023 6.52282114497307