Year % of female population 1960 1.72997125517533 1961 1.80825515659427 1962 1.88324123777798 1963 1.95038085123391 1964 2.01297037183895 1965 2.08369912054568 1966 2.17317731222121 1967 2.25656901898684 1968 2.32156775033578 1969 2.37767208016161 1970 2.42924052593125 1971 2.46858857174316 1972 2.48473790189365 1973 2.48661116767662 1974 2.48823669349737 1975 2.49208165819679 1976 2.50738858746066 1977 2.54100131057959 1978 2.59913910074764 1979 2.67250007914285 1980 2.73826060459594 1981 2.80726766467645 1982 2.89248634491231 1983 2.98200013956144 1984 3.06347404327036 1985 3.13738527065128 1986 3.2137236813948 1987 3.29291905321032 1988 3.38418438535031 1989 3.48798740118482 1990 3.59262567269163 1991 3.69738790425399 1992 3.79427736733625 1993 3.87720443638817 1994 3.94080389227729 1995 3.97917758831932 1996 3.99477868099537 1997 4.00426933616125 1998 4.01155941261838 1999 4.01813692893747 2000 4.03643525828139 2001 4.08280181178684 2002 4.16463522085807 2003 4.26968436986222 2004 4.40430631904656 2005 4.58477189803224 2006 4.79926804452938 2007 5.02711539963116 2008 5.26729469715894 2009 5.51801179004295 2010 5.77068954340479 2011 6.00765924645975 2012 6.21084020006826 2013 6.40166422045926 2014 6.59185712033653 2015 6.75965280030437 2016 6.91550244520065 2017 7.05558323721222 2018 7.18407688349983 2019 7.29599330546851 2020 7.36257156686553 2021 7.3499787368926 2022 7.35789825846844 2023 7.49131547697236