Year % of female population 1960 15.7470305884345 1961 15.7210183968214 1962 15.7033353289234 1963 15.6909697736524 1964 15.677295442016 1965 15.6568081244813 1966 15.6281948794603 1967 15.5888297846006 1968 15.5383112020789 1969 15.4783368938851 1970 15.4128533293253 1971 15.3485514628879 1972 15.3025528036652 1973 15.2801115547459 1974 15.2786928045182 1975 15.3045232157215 1976 15.3548294871369 1977 15.4151740178083 1978 15.4794562476805 1979 15.5440141668533 1980 15.5914871841182 1981 15.6155345067387 1982 15.618539355591 1983 15.5975979005744 1984 15.5601157132513 1985 15.511762372733 1986 15.4509673718857 1987 15.3854142678461 1988 15.3070841918288 1989 15.2047063370802 1990 15.0826829545226 1991 14.9433203528316 1992 14.7861622294211 1993 14.6253576044155 1994 14.468480470616 1995 14.311324861453 1996 14.1607999236134 1997 14.0121572696429 1998 13.8490186076462 1999 13.6668676325676 2000 13.4672267204059 2001 13.2507937050943 2002 13.0147491385831 2003 12.759939129697 2004 12.5012468339569 2005 12.2419707882799 2006 11.9782313138565 2007 11.722665022446 2008 11.4820744318338 2009 11.2507145605711 2010 11.0289163549649 2011 10.8275420663997 2012 10.6544551306462 2013 10.5095646557521 2014 10.3929180825062 2015 10.3025992297303 2016 10.2268772000849 2017 10.1546412061457 2018 10.0822775192568 2019 10.0059134365795 2020 9.92300269498593 2021 9.82904593212486 2022 9.72069210592392 2023 9.60132008289127