Year % of female population 1960 3.06763414900127 1961 3.12251465687663 1962 3.16506100768436 1963 3.19700953745656 1964 3.22213836945545 1965 3.24214451472186 1966 3.25552249790834 1967 3.26115164415875 1968 3.26113739363164 1969 3.2592201305388 1970 3.25510987669214 1971 3.24958651193733 1972 3.24430862146413 1973 3.23466949496987 1974 3.21364455990524 1975 3.18023788838422 1976 3.13561842894066 1977 3.07793704907681 1978 3.01194745534478 1979 2.94765454683284 1980 2.88786323238922 1981 2.8326407164032 1982 2.783149436589 1983 2.7367334060008 1984 2.69022363912413 1985 2.64352167980124 1986 2.5988132666858 1987 2.55717875871278 1988 2.51652667253282 1989 2.47450068115344 1990 2.43358149228808 1991 2.39465201471659 1992 2.35640792773237 1993 2.32316328365187 1994 2.30142377964187 1995 2.30469997231186 1996 2.33227556352956 1997 2.36769249295612 1998 2.39796331978344 1999 2.40849260949199 2000 2.38236899857406 2001 2.32877971953156 2002 2.27547059428894 2003 2.22779602248027 2004 2.18070877768455 2005 2.14582975338643 2006 2.12100012739853 2007 2.08790689201347 2008 2.04841709342601 2009 2.01216055612008 2010 1.9738402852216 2011 1.93103682015981 2012 1.8908063320413 2013 1.85248143753924 2014 1.81839335694187 2015 1.79070415170318 2016 1.76753324829444 2017 1.7489129166063 2018 1.73563355751133 2019 1.72683900920672 2020 1.72181275671181 2021 1.72338963926424 2022 1.73428954610763 2023 1.75533852579548