Year % of female population 1960 9.84224158229338 1961 9.93988016246431 1962 10.1429967137401 1963 10.4783996203408 1964 10.8846058808994 1965 11.2057352481903 1966 11.4349181391862 1967 11.6680677529557 1968 11.8817539711278 1969 12.0501600989935 1970 12.1774641120582 1971 12.2667214845986 1972 12.3225014991593 1973 12.3479969685083 1974 12.3462542619835 1975 12.328831060655 1976 12.2989566822845 1977 12.2567094830963 1978 12.2141625523088 1979 12.182004303856 1980 12.1799675667707 1981 12.2081670010703 1982 12.2411408790846 1983 12.2826813656764 1984 12.3402083636294 1985 12.4056258970542 1986 12.4737094620003 1987 12.5366143856094 1988 12.5910571077837 1989 12.6510012766039 1990 12.7207735646243 1991 12.791099097229 1992 12.8989288505785 1993 13.0419811432421 1994 13.1737510263374 1995 13.2798998069884 1996 13.3566171432257 1997 13.4103998375333 1998 13.4503905443701 1999 13.4876084274408 2000 13.4986149379314 2001 13.4520892319803 2002 13.3725217725068 2003 13.3247265067609 2004 13.2741138020615 2005 13.2157340162042 2006 13.1926603992782 2007 13.1683237154975 2008 13.1138283984906 2009 13.0106730790169 2010 12.8527262249947 2011 12.6454102701581 2012 12.3876835495436 2013 12.0939858777697 2014 11.8275091810851 2015 11.6296944957629 2016 11.4933388495915 2017 11.3944765463208 2018 11.3386950418415 2019 11.3192504950998 2020 11.3286049299337 2021 11.3719592343292 2022 11.4170547997017 2023 11.4439777942108