Year % of female population 1960 2.66733955849895 1961 2.68555021614974 1962 2.71933221648642 1963 2.74172428886013 1964 2.76991177518203 1965 2.79032291489316 1966 2.78597947574498 1967 2.76129502279582 1968 2.72259234693609 1969 2.68810654613682 1970 2.64916668533331 1971 2.59493825774265 1972 2.552894477478 1973 2.53868753724793 1974 2.54569815493989 1975 2.56652986386409 1976 2.60255656728149 1977 2.64293588493223 1978 2.65797274424161 1979 2.65236848199006 1980 2.6613613129451 1981 2.6802364218732 1982 2.69349374187613 1983 2.72177671839901 1984 2.77336444646017 1985 2.81702117610196 1986 2.83067171592305 1987 2.84052472426564 1988 2.86861425861674 1989 2.88422119053627 1990 2.89320763513725 1991 2.92273821663786 1992 2.96613044475334 1993 3.0212561082296 1994 3.08541452369858 1995 3.14529220110588 1996 3.19993267198773 1997 3.23562639047931 1998 3.23256896320775 1999 3.20083344334291 2000 3.17220219070961 2001 3.17085636962768 2002 3.18538206623716 2003 3.20224120523236 2004 3.24361023322758 2005 3.31080368929849 2006 3.40132305572286 2007 3.53463558224384 2008 3.72844332852937 2009 3.97100337895481 2010 4.27734195207918 2011 4.60726452833971 2012 4.96849274133347 2013 5.31981773350105 2014 5.60433396382842 2015 5.83037896553995 2016 5.9570677132964 2017 6.01981447046977 2018 6.00606563769428 2019 5.80927670867504 2020 5.46987862931117 2021 5.13429863745844 2022 5.04180183325783 2023 5.44278106223026