Year % of female population 1960 3.24057602174525 1961 3.40607798423548 1962 3.70227784997832 1963 3.96070775972788 1964 4.14106821479242 1965 4.25448249562167 1966 4.23514354480917 1967 4.10797858572054 1968 3.98094234267563 1969 3.85366982283243 1970 3.73022029280418 1971 3.61472645063497 1972 3.51016330161832 1973 3.41504044375359 1974 3.32979832640338 1975 3.30574331990134 1976 3.36385728196423 1977 3.38775278360051 1978 3.3526174668073 1979 3.32015052807888 1980 3.29381322751147 1981 3.27418271725849 1982 3.26222441388122 1983 3.25755644664028 1984 3.25821562468894 1985 3.26519942502964 1986 3.28203324574269 1987 3.30605016208132 1988 3.33326538266753 1989 3.36240647016101 1990 3.39497981857036 1991 3.43420878015135 1992 3.47862500849454 1993 3.52495370562014 1994 3.57270331048642 1995 3.62796533737771 1996 3.80355802081197 1997 4.10364027314142 1998 4.31623100544997 1999 4.42836888727746 2000 4.53963600637764 2001 4.65081984343084 2002 4.75701052564065 2003 4.85078525724624 2004 4.93111776534428 2005 5.00521833235714 2006 5.06758129003582 2007 5.1150305334761 2008 5.1525494522736 2009 5.18771244591601 2010 5.22224180640312 2011 5.25895224330366 2012 5.30690234624715 2013 5.372749175147 2014 5.46594298640894 2015 5.58632267237415 2016 5.7233111333131 2017 5.87026415332442 2018 6.03170410384857 2019 6.21324984400409 2020 6.38082648918736 2021 6.55637453443957 2022 6.76906604116535 2023 6.99090235880321