Year % of female population 1960 37.5903509687293 1961 37.8840267298987 1962 38.4879912199355 1963 39.1028575275151 1964 40.1631585987595 1965 41.481129877191 1966 42.2979624073128 1967 42.3860985957409 1968 42.0195356839271 1969 41.9455390225254 1970 41.8408780018028 1971 41.7253436637945 1972 41.6231871642248 1973 41.1750942795354 1974 40.8070967772308 1975 40.7851788854828 1976 41.2063255067676 1977 41.9345186373751 1978 42.7580197825393 1979 43.0977034697319 1980 43.2632583964853 1981 43.7059076272009 1982 44.1464071356267 1983 44.5541599553786 1984 44.9009875940238 1985 45.172222998221 1986 45.3646280808499 1987 45.4836705696674 1988 45.5350991092614 1989 45.5196181588057 1990 45.4274012709918 1991 45.2390077602659 1992 45.0082244596478 1993 44.8227498395509 1994 44.6510966352201 1995 44.4320422114219 1996 44.1796152494414 1997 43.9193777315943 1998 43.6644333681333 1999 43.4184007159598 2000 43.1847252888339 2001 42.9739577876343 2002 42.8030328917643 2003 42.6789873316222 2004 42.5858768794524 2005 42.5373832570641 2006 42.5315824985727 2007 42.5306607961039 2008 42.5033066627691 2009 42.4329259601222 2010 42.3310490590986 2011 42.2211672993153 2012 42.105022258337 2013 41.9749161846197 2014 41.8210780413652 2015 41.6265923356604 2016 41.3880294858023 2017 41.087859089956 2018 40.7314963118371 2019 40.3495702464775 2020 39.9562974554015 2021 39.5548176577975 2022 39.128070559831 2023 38.6758955851086