Year % of female population 1960 4.15163389666661 1961 4.06969825754356 1962 3.96167528022015 1963 3.85882976432984 1964 3.81197723900673 1965 3.82132961770688 1966 3.8660037133776 1967 3.92699286001298 1968 3.97286674658937 1969 3.98433078137567 1970 3.97906067111725 1971 3.97680684081059 1972 3.98476971516439 1973 3.997240245442 1974 4.01183240371455 1975 4.03479029999263 1976 4.04881571771781 1977 4.05463018773614 1978 4.064742932474 1979 4.06922493730682 1980 4.07034957119847 1981 4.07602406850266 1982 4.07050542349412 1983 4.04929324302949 1984 3.95876883154328 1985 3.80308318789994 1986 3.65418764033401 1987 3.52090770392973 1988 3.3947478614584 1989 3.27143719806763 1990 3.17201681184139 1991 3.13672474291009 1992 3.17287305521546 1993 3.25329202168861 1994 3.35396800434615 1995 3.48668213197686 1996 3.63802659240451 1997 3.77109317681585 1998 3.91194213041548 1999 4.06767504706771 2000 4.19900622680672 2001 4.35326309012344 2002 4.54956717366851 2003 4.72670521909555 2004 4.90623428256652 2005 5.0819147801983 2006 5.21713683717664 2007 5.36861566905477 2008 5.60461221187918 2009 5.89490470896084 2010 6.17772603802872 2011 6.4216460472054 2012 6.64472040242061 2013 6.84475382808375 2014 7.010995122786 2015 7.19511547650651 2016 7.40271798767621 2017 7.5694786869079 2018 7.68002504696306 2019 7.75300848293549 2020 7.76815305037323 2021 7.74505476456881 2022 7.65807149711112 2023 7.46956636512239