Year % of female population 1960 2.58198624088955 1961 2.63093892755173 1962 2.65849990571933 1963 2.69824849913663 1964 2.74414302441285 1965 2.75879730706497 1966 2.76626005253841 1967 2.78947401350159 1968 2.7944656205674 1969 2.78274133916675 1970 2.91238953944612 1971 3.07586531863176 1972 3.14335167479664 1973 3.25274628248428 1974 3.37928342304023 1975 3.44479354848515 1976 3.47092446562189 1977 3.53602406651806 1978 3.57302350084561 1979 3.60832188441094 1980 3.69276529985433 1981 3.79426133517852 1982 3.84985283709684 1983 3.88869365158803 1984 3.92030449162294 1985 3.90630769859031 1986 3.85802248943265 1987 3.80910953756875 1988 3.73402462859729 1989 3.67268669104719 1990 3.73505475881234 1991 3.87702406757067 1992 4.01776346577518 1993 4.19705797241246 1994 4.39060805890269 1995 4.50648087008602 1996 4.58477545037836 1997 4.65698204992261 1998 4.70178723954436 1999 4.72313422530631 2000 4.74553811092033 2001 4.781152057785 2002 4.83983738211574 2003 4.91314544476459 2004 4.97395129343956 2005 5.03015384626651 2006 5.07824086707538 2007 5.09128036495759 2008 5.07122076630497 2009 5.06557243680072 2010 5.03752594070084 2011 4.96119559436817 2012 4.90311451458365 2013 4.90365695523816 2014 4.95062369230125 2015 5.06369017692327 2016 5.20947034991767 2017 5.333420512327 2018 5.47473717327747 2019 5.59537263242924 2020 5.65215096797375 2021 5.72645468477767 2022 5.85278826197926 2023 5.92852715235607