Year % of female population 1960 2.28711040228032 1961 2.27601722731126 1962 2.2635302897218 1963 2.25055820796793 1964 2.2377623368286 1965 2.22540595642215 1966 2.213647481109 1967 2.20264827636189 1968 2.1922301136018 1969 2.18208468146989 1970 2.17202090865185 1971 2.16178420111456 1972 2.15154454546175 1973 2.14164270461695 1974 2.14065146229399 1975 2.14781937359393 1976 2.14282754962175 1977 2.12836476452749 1978 2.11895096067337 1979 2.10830705945486 1980 2.09472133793199 1981 2.08249169684641 1982 2.07011704891523 1983 2.05720347555429 1984 2.04392564339104 1985 2.03144211803998 1986 2.02143113229599 1987 2.00731318366907 1988 1.97287792193113 1989 1.93680403920328 1990 1.91051424640306 1991 1.87923153307674 1992 1.84325964319011 1993 1.8027830447554 1994 1.75892776025575 1995 1.71422913092436 1996 1.67189766325602 1997 1.63396971978254 1998 1.60249245895267 1999 1.57938495326607 2000 1.56255795938314 2001 1.5481454508229 2002 1.53574234137457 2003 1.52168822612437 2004 1.51749927829472 2005 1.53332498430297 2006 1.5640595792002 2007 1.61033096083319 2008 1.67151332290763 2009 1.73220616018691 2010 1.78062987898331 2011 1.81473752392673 2012 1.83400459735523 2013 1.84381319067845 2014 1.84663234506285 2015 1.84978576942626 2016 1.85939289946579 2017 1.87744689510321 2018 1.90634806795879 2019 1.94498231108293 2020 1.98597439462661 2021 2.02384685602441 2022 2.06002557552552 2023 2.09718223972626