Year % of female population 1960 8.51177730192719 1961 8.01192842942346 1962 7.44237711746737 1963 6.88224105135743 1964 6.50255081383108 1965 6.25712765148635 1966 6.0422745712049 1967 5.91074380165289 1968 5.8484551250613 1969 5.82297251055093 1970 5.79378591189615 1971 5.77296007160261 1972 5.75687005123428 1973 5.76225243737157 1974 5.8119939167249 1975 5.90741816773194 1976 6.02378774016468 1977 6.15987243483084 1978 6.34680023726356 1979 6.6037439043574 1980 6.92351822216854 1981 7.26881219810278 1982 7.47918581015231 1983 7.59181726641581 1984 7.77471066426925 1985 8.03412985876462 1986 8.32925265244258 1987 8.65294459079341 1988 9.05041332933567 1989 9.49007331740671 1990 9.94678104769848 1991 10.289635607353 1992 10.516963740352 1993 10.7413173009823 1994 10.9594971341495 1995 11.1890223444944 1996 11.5485650489262 1997 12.0057115968132 1998 12.4476467095656 1999 12.8762860408993 2000 13.2748648308814 2001 13.3580250692542 2002 13.1441483742223 2003 12.951505841566 2004 12.7674585837754 2005 12.579135700523 2006 12.4389513303726 2007 12.3241261110447 2008 12.1651498094321 2009 11.958962983502 2010 11.6508576621606 2011 11.6320389740651 2012 12.0148032168529 2013 12.4393109403089 2014 12.9055901671694 2015 13.3841437691594 2016 13.6971806474069 2017 13.9440154704922 2018 14.2599986465453 2019 14.5967494633548 2020 14.9850989247594 2021 15.3658189716473 2022 15.8179210000512 2023 16.4055123133852