Year % of female population 1960 2.75284814177417 1961 2.80583171502275 1962 2.86875380380971 1963 2.91670793856071 1964 2.94887023660835 1965 2.96106368473633 1966 2.95632351965247 1967 2.94542277424644 1968 2.93275107921604 1969 2.91961019460037 1970 2.9207620349766 1971 2.93575485628779 1972 2.95007394901364 1973 2.96280773663675 1974 2.97747674647033 1975 2.99796843198183 1976 3.01814309255115 1977 3.02943387540089 1978 3.03226975383259 1979 3.0308687577732 1980 3.02719626741973 1981 3.02244121250958 1982 3.01547167745556 1983 3.00575152239966 1984 2.99191158403578 1985 2.96764928006339 1986 2.93703105089383 1987 2.91143363856817 1988 2.89562921939375 1989 2.88777264339899 1990 2.88265160457151 1991 2.87931919227834 1992 2.88129976030274 1993 2.89212661007631 1994 2.91600498790327 1995 2.96014682946376 1996 3.03157367618467 1997 3.1261365241672 1998 3.23906954450819 1999 3.37239494898306 2000 3.52372569107311 2001 3.68899574625486 2002 3.87134117550149 2003 4.06977551788802 2004 4.28376869901919 2005 4.51129231458142 2006 4.73639132841368 2007 4.94973968833968 2008 5.17124082112735 2009 5.42260267165161 2010 5.65159774613733 2011 5.81000795120297 2012 5.92209286603218 2013 6.00270067434688 2014 6.05450159634934 2015 6.13177706827046 2016 6.27155970193293 2017 6.42904488300441 2018 6.50219914766606 2019 6.51884362899677 2020 6.49808673262048 2021 6.38280391293012 2022 6.20280815253462 2023 5.99559811156803