Year % of female population 1960 8.34101127560665 1961 8.34810685214662 1962 8.34737108868383 1963 8.33998800319424 1964 8.3267209337374 1965 8.30726476060187 1966 8.28049643450195 1967 8.24823074677085 1968 8.21133733163183 1969 8.15346594495856 1970 8.08006405650652 1971 8.00860291274649 1972 7.93699166131123 1973 7.86242877057588 1974 7.7838822288755 1975 7.70128372026819 1976 7.61728178506349 1977 7.52979629755512 1978 7.43684206888448 1979 7.3420947936966 1980 7.24282627763335 1981 7.13841761210364 1982 7.02813977381819 1983 6.91487163027964 1984 6.80153020521889 1985 6.68914201176614 1986 6.57892966237401 1987 6.46899504802477 1988 6.35844901582286 1989 6.24871484620003 1990 6.14038528657109 1991 6.03357601612401 1992 5.92821019578517 1993 5.82561620847109 1994 5.7276290385096 1995 5.63331890726985 1996 5.54303868603324 1997 5.45522303935177 1998 5.3683753322238 1999 5.28279449780358 2000 5.19862685451647 2001 5.11589679154741 2002 5.03608459307922 2003 4.95926319518243 2004 4.88109307584572 2005 4.79941325854394 2006 4.71654456617766 2007 4.63529158379166 2008 4.55751649544651 2009 4.4839292180879 2010 4.41573221796922 2011 4.35422723585822 2012 4.30073349362471 2013 4.25141415505441 2014 4.20828074518296 2015 4.18175706966588 2016 4.16917256195382 2017 4.16520787589396 2018 4.1683599852355 2019 4.17670342715542 2020 4.18700592346789 2021 4.18949004041288 2022 4.18751619104754 2023 4.19999332214793