Year % of female population 1960 2.53208807262861 1961 2.52864841560681 1962 2.56935995712062 1963 2.64312880751237 1964 2.73488759564572 1965 2.82969854407056 1966 2.90462001956173 1967 2.94555294866737 1968 2.96021432582887 1969 2.98669982608111 1970 3.01575691333115 1971 3.04270913143703 1972 3.06413109914315 1973 3.06747668805457 1974 2.96180288020187 1975 2.74547396837297 1976 2.52527222130917 1977 2.31106848534659 1978 2.10981027415752 1979 2.02662265181561 1980 2.06302399130023 1981 2.11423938202533 1982 2.16177404530546 1983 2.201675092803 1984 2.23193169343005 1985 2.25198448146861 1986 2.262469966977 1987 2.26351656239309 1988 2.25633810673369 1989 2.24224956920872 1990 2.22288485726608 1991 2.18457807658717 1992 2.12940641974556 1993 2.07477297373061 1994 2.02142638615801 1995 1.97067507031892 1996 1.92469341980259 1997 1.88671485156327 1998 1.85917776929979 1999 1.84576305579652 2000 1.84815636100232 2001 1.86606751339752 2002 1.90030336511263 2003 1.95070595598624 2004 2.01589906791061 2005 2.09350492489325 2006 2.17906264597498 2007 2.2646492345518 2008 2.34438933888471 2009 2.41406188802523 2010 2.46985847349712 2011 2.51037753290821 2012 2.53594651579305 2013 2.54706110561027 2014 2.54433155363856 2015 2.52963483022423 2016 2.50605697990097 2017 2.4771964772489 2018 2.44620906231384 2019 2.41450988873669 2020 2.38204817365862 2021 2.3530313702378 2022 2.33572971144467 2023 2.33820098584553