Year % of female population 1960 7.62470314764128 1961 7.45830994569589 1962 7.36063007069317 1963 7.28965088836649 1964 7.27889042396154 1965 7.27787786434854 1966 7.2453492200849 1967 7.17673987035017 1968 7.04927811677697 1969 6.81894292536895 1970 6.52609035748081 1971 6.49169511982282 1972 6.8863454030575 1973 7.4507958480135 1974 8.05465748770809 1975 8.71436765774 1976 9.21624095786522 1977 9.49386365191537 1978 9.74786886430807 1979 10.0592506079181 1980 10.3962895520725 1981 10.7286111832338 1982 11.0238082468295 1983 11.2526156975167 1984 11.4020278769217 1985 11.5243597263395 1986 11.6389159932664 1987 11.6958198778443 1988 11.6954709078619 1989 11.6906712608648 1990 11.6124695905519 1991 11.338705479776 1992 10.9394693831245 1993 10.4960955998914 1994 10.0219296828129 1995 9.59167162784001 1996 9.30195854397651 1997 9.12150393152185 1998 8.98326665536398 1999 8.85957438478862 2000 8.68201549175345 2001 8.42957269673122 2002 8.1874171551382 2003 8.00610821291567 2004 7.86456422667455 2005 7.72740314770398 2006 7.62827314999119 2007 7.61835992686641 2008 7.68162046354606 2009 7.77561461043755 2010 7.79286106853731 2011 7.69473754080368 2012 7.57426549648129 2013 7.48604507556993 2014 7.43463799090885 2015 7.37944403357969 2016 7.28902258087465 2017 7.21010562426978 2018 7.16570888715377 2019 7.13508754541566 2020 7.1072930293983 2021 7.07246878049383 2022 7.02160332771756 2023 6.94319339952084