Year % of female population 1960 4.35774655605753 1961 4.39962285306559 1962 4.46501447513974 1963 4.54965514678678 1964 4.65639157487328 1965 4.77620919115207 1966 4.89074599825459 1967 4.99481592416438 1968 5.08238759198771 1969 5.14195560430607 1970 5.17675260622254 1971 5.19953525579978 1972 5.21212231196364 1973 5.21711057304278 1974 5.22048085259604 1975 5.21597419161894 1976 5.20678261234037 1977 5.19708246784702 1978 5.16619996275082 1979 5.07785972187441 1980 4.89274961423434 1981 4.59171285393651 1982 4.23132065282484 1983 3.91769716553691 1984 3.72136549692867 1985 3.68113782207039 1986 3.83201498751041 1987 4.14826771000387 1988 4.53301203290341 1989 4.90751874801612 1990 5.24930278894777 1991 5.53624538149605 1992 5.73230634170812 1993 5.84185863593988 1994 5.88949273497797 1995 5.88760494011686 1996 5.8486916681981 1997 5.79053722680492 1998 5.72712068764342 1999 5.68650721855633 2000 5.70708336665211 2001 5.80975631615967 2002 5.98535982432737 2003 6.20153300640301 2004 6.41689767498297 2005 6.56791108296703 2006 6.62788256639837 2007 6.57644197388591 2008 6.40463102841973 2009 6.15493031335565 2010 5.87356572010968 2011 5.62724272804211 2012 5.4960071819234 2013 5.53300295114636 2014 5.72429778061281 2015 5.96775418915739 2016 6.18689564999119 2017 6.35804649568311 2018 6.42129860899243 2019 6.46012708637338 2020 6.58189387239667 2021 6.70614292772494 2022 6.81675596874318 2023 6.99643630117845