Year % of female population 1960 15.5898991861656 1961 15.5425738430119 1962 15.3902946973971 1963 15.3109742369715 1964 15.5921167940071 1965 16.0576219789741 1966 16.4528746522843 1967 16.712059113011 1968 16.7943206759692 1969 16.7321696913652 1970 16.6138768023206 1971 16.4774623078535 1972 16.2835996318477 1973 15.9988462677271 1974 15.6542127842567 1975 15.2595098775208 1976 14.8305785978776 1977 14.4199467683381 1978 14.0720583947741 1979 13.7897272886474 1980 13.4801745672476 1981 13.0945131274881 1982 12.6784768562652 1983 12.2387203251305 1984 11.7823259891664 1985 11.4879269144611 1986 11.4261303823797 1987 11.4779186707477 1988 11.6359958251626 1989 11.9055638539867 1990 12.1136329069001 1991 12.1980427566187 1992 12.2683173535823 1993 12.3141059045176 1994 12.3261351698378 1995 12.2285108618597 1996 12.00329467788 1997 11.7155754711353 1998 11.3839494085287 1999 11.034941991002 2000 10.7158003468359 2001 10.4654959352282 2002 10.2968169405023 2003 10.2161553142692 2004 10.246706719499 2005 10.3127522629144 2006 10.3235735402309 2007 10.2980393952227 2008 10.2399228085913 2009 10.1533494453278 2010 10.052706618222 2011 9.94400712636574 2012 9.82075787037203 2013 9.68028577013986 2014 9.5265386921139 2015 9.36683102449714 2016 9.21015289194363 2017 9.06065491252415 2018 8.92361134463672 2019 8.79766273133376 2020 8.68402595845399 2021 8.58833378034607 2022 8.50907896029677 2023 8.43345423906782