Year % of female population 1960 1.9035886280376 1961 1.91863857370067 1962 1.94448736319116 1963 1.97486865060045 1964 1.99773497550285 1965 2.00893867170872 1966 2.00990256815568 1967 2.00106708866245 1968 1.98659882776854 1969 1.97249373994281 1970 1.96080409318012 1971 1.95160014199751 1972 1.94435654740795 1973 1.93789976665323 1974 1.93156584953451 1975 1.92561240557337 1976 1.92110385363299 1977 1.91568256421113 1978 1.90910071929642 1979 1.90320117151314 1980 1.89730807860138 1981 1.89225973752148 1982 1.88775366883982 1983 1.88085087373472 1984 1.870837719897 1985 1.85819727837787 1986 1.84356139085922 1987 1.82818243359717 1988 1.81047879749986 1989 1.79297384503906 1990 1.7763514598818 1991 1.75089948477231 1992 1.72998753841883 1993 1.72046380596241 1994 1.71127373246546 1995 1.7032076359424 1996 1.69760148493869 1997 1.69471964081837 1998 1.69356954526006 1999 1.69153780249891 2000 1.68875562405475 2001 1.68577914555858 2002 1.68272403120727 2003 1.68278803395959 2004 1.68810290247697 2005 1.69858367418928 2006 1.71240281624851 2007 1.72642794887874 2008 1.73317742157177 2009 1.73083890656944 2010 1.72552140224951 2011 1.71986610596139 2012 1.71478121400415 2013 1.71626262848298 2014 1.72522075371219 2015 1.73405251166172 2016 1.73828550154812 2017 1.74107411856024 2018 1.75393855990271 2019 1.78236431472985 2020 1.81882064539731 2021 1.85953382074785 2022 1.90462747734826 2023 1.94679203075259