Year % of female population 1960 9.15874523037172 1961 9.19938885704248 1962 9.23626247074134 1963 9.25077346301015 1964 9.32118086450147 1965 9.46667158800285 1966 9.6103448474553 1967 9.7464676980042 1968 9.88480953278297 1969 9.9532982212765 1970 9.93774922707566 1971 9.91018597729942 1972 9.88889430832957 1973 9.87939745217582 1974 9.88340253683708 1975 9.90084480968881 1976 9.98105859504783 1977 10.1149517046576 1978 10.2410130753363 1979 10.3588086964839 1980 10.4672691260418 1981 10.5662425890444 1982 10.6551362192825 1983 10.7360570268971 1984 10.7997345895986 1985 10.8289972618866 1986 10.8211601302391 1987 10.7719399526921 1988 10.6509989595166 1989 10.4342175333018 1990 10.1780805114403 1991 9.97048830224227 1992 9.85451191634562 1993 9.83574577532164 1994 9.90730433944755 1995 10.0323682419704 1996 10.1923939452811 1997 10.373518695164 1998 10.5471532605238 1999 10.7064253474392 2000 10.8532747445662 2001 10.9530284172323 2002 11.0443415153211 2003 11.146682072435 2004 11.2153891434894 2005 11.2618268757961 2006 11.2887885968866 2007 11.2940671764201 2008 11.2881190594567 2009 11.286927947388 2010 11.2949531873303 2011 11.3053129328154 2012 11.3258812994458 2013 11.3804319028641 2014 11.4794800673117 2015 11.6307550837877 2016 11.7945380481617 2017 11.9220484988999 2018 12.0251076006355 2019 12.0983801442112 2020 12.1299430163164 2021 12.1467454537126 2022 12.1719612826614 2023 12.1872003878892