Year % of female population 1960 14.8436997551102 1961 15.1895555526286 1962 15.5163415840611 1963 15.8063727504267 1964 16.0343453733555 1965 16.195551952582 1966 16.322083440306 1967 16.4310403960255 1968 16.5213620033741 1969 16.6061411935728 1970 16.7070855565303 1971 16.8202362039672 1972 16.9054495752975 1973 16.9544810310315 1974 16.9908909185209 1975 17.0077214581698 1976 17.0133343693974 1977 16.9948584768232 1978 16.9342922518986 1979 16.8491017116219 1980 16.7458445151303 1981 16.6315790466348 1982 16.5190730662761 1983 16.4237091277875 1984 16.3534564453657 1985 16.3016168750152 1986 16.2727895448197 1987 16.2614984696996 1988 16.2378203423777 1989 16.2086765837027 1990 16.182908197093 1991 16.1633098733695 1992 16.1447559934439 1993 16.1094747475977 1994 16.0287597583532 1995 15.8925785528104 1996 15.7047443304211 1997 15.4659561522649 1998 15.2042489281144 1999 14.9401981913586 2000 14.7057594766058 2001 14.5180063294248 2002 14.3856483243622 2003 14.3213501634683 2004 14.2968361329391 2005 14.2919673621166 2006 14.3088526570695 2007 14.3353762036626 2008 14.332939873754 2009 14.3107447855982 2010 14.3006491017964 2011 14.2949433792728 2012 14.2994581017563 2013 14.3164408193588 2014 14.3082097161732 2015 14.2270699150929 2016 14.0429596281177 2017 13.7680447040321 2018 13.4392076451846 2019 13.0846017079077 2020 12.7527801668394 2021 12.4895545811684 2022 12.2681526835034 2023 12.0602982715145