Year % of female population 1960 3.27441653977929 1961 3.22226029888262 1962 3.15339797502983 1963 3.07670255486004 1964 3.00469372655687 1965 2.94130068310675 1966 2.88594969419473 1967 2.83943456494468 1968 2.79780908565459 1969 2.75428461169914 1970 2.70712736704046 1971 2.65741192007169 1972 2.6053719161017 1973 2.5536609048895 1974 2.50590257162284 1975 2.46323955160584 1976 2.42597719752483 1977 2.39395792111822 1978 2.36481461007983 1979 2.33406620959597 1980 2.29929984322027 1981 2.26126174283061 1982 2.22095128005775 1983 2.18048970432077 1984 2.14169462813062 1985 2.10523416993558 1986 2.07091043083705 1987 2.03887823463284 1988 2.00980851808632 1989 1.9852675761087 1990 1.96570240948661 1991 1.95117732556788 1992 1.94224870088724 1993 1.92355769023112 1994 1.91201305158836 1995 1.91650535346452 1996 1.91637305952054 1997 1.91222375350463 1998 1.90856987330485 1999 1.91032902843434 2000 1.91751064882315 2001 1.92776204842684 2002 1.94045967815717 2003 1.95415040553092 2004 1.96532398862893 2005 1.968812566516 2006 1.96539781740807 2007 1.95130803332757 2008 1.91722162235406 2009 1.85162235944701 2010 1.78926955315692 2011 1.75310587120331 2012 1.72768086339906 2013 1.71932193594133 2014 1.73822919500472 2015 1.75997039734417 2016 1.76985767614664 2017 1.78352795694974 2018 1.80050163021018 2019 1.82049841332782 2020 1.84168424201014 2021 1.86447617332883 2022 1.88958049357634 2023 1.91670447786673